GB2030909A – Razors
– Google Patents
GB2030909A – Razors
– Google Patents
Razors
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Info
Publication number
GB2030909A
GB2030909A
GB7926661A
GB7926661A
GB2030909A
GB 2030909 A
GB2030909 A
GB 2030909A
GB 7926661 A
GB7926661 A
GB 7926661A
GB 7926661 A
GB7926661 A
GB 7926661A
GB 2030909 A
GB2030909 A
GB 2030909A
Authority
GB
United Kingdom
Prior art keywords
handle
razor
mounting means
mounting
reduced thickness
Prior art date
1978-08-15
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB7926661A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wilkinson Sword Ltd
Original Assignee
Wilkinson Sword Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
1978-08-15
Filing date
1979-07-31
Publication date
1980-04-16
1979-07-31
Application filed by Wilkinson Sword Ltd
filed
Critical
Wilkinson Sword Ltd
1980-04-16
Publication of GB2030909A
publication
Critical
patent/GB2030909A/en
Status
Withdrawn
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
B—PERFORMING OPERATIONS; TRANSPORTING
B26—HAND CUTTING TOOLS; CUTTING; SEVERING
B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
B26B21/00—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor
B26B21/08—Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor involving changeable blades
B26B21/14—Safety razors with one or more blades arranged transversely to the handle
B26B21/22—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously
B26B21/222—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously with the blades moulded into, or attached to, a changeable unit
B26B21/225—Safety razors with one or more blades arranged transversely to the handle involving several blades to be used simultaneously with the blades moulded into, or attached to, a changeable unit the changeable unit being resiliently mounted on the handle
Abstract
A razor comprises a handle 10 and means 12 for mounting a razor blade, in which there is a connection 12c, Fig. 4 between the handle and the mounting means comprising a portion of reduced thickness which constitutes a hinge whereby the mounting means can pivot relative to the handle. The razor may comprise resilient means to maintain the mounting means in a predetermined pivotal position relative to the handle. Preferably, the portion of reduced thickness and the resilient means are of plastics material. The handle, the mounting means and the portion of reduced thickness may comprise a single plastic moulding.
Description
SPECIFICATION
Improvements in or relating to razors
This invention relates to razors. More particularly, the invention relates to razors of the kind in which the portion of the razor which carries the razor blade, or razor t adens, can pivot (or rock) relative to the handle in response to the pressures which result when that portion of the razor contacts the skin during shaving.
According to the present invention there is provided a razor having a handle and means for mounting a razor blade, in which there is a connection between the handle and the mounting means comprising a portion of reduced thickness which constitutes a hinge whereby the mounting means can pivot relative to the handle.
The razor may comprise resilient means to maintain the mounting means in a predetermined pivotal position relative to the handle. Preferably, the portion of reduced thickness and the resilient means are of plastics material. The handle, the mounting means and the portion of reduced thickness may comprise a single plastic moulding, which may also incorporate the resilient means if the latter is used.
Several possible constructions of razor in accordance with the invention will now be described with reference to the accompanying drawings, in which: Figure 1 is a sectional side elevation of a first construction,
Figure 2 is a rear elevation of the first construction,
Figure 3 is a plan view of a coupling forming a part of the first construction,
Figure 4 is a sectional view along the line lV-IV in Figure 3,
Figure 5 isa rear view of the coupling,
Figures 6, 7 and 8 are diagrammatic perspective views of alternative constructions for the coupling portion of a razor, in which similar parts to those in the earlier figures are similarly referenced,
Figure 9 is a rear view of a further construction of razor, and
Figure 10 is a sectional view along the line XX in Figure 9.
Referring first to Figures 1 to 5, the first construction will be seen to comprise a handle 10, a head in the form of a shaving unit 11, (shown diagrammatically), and a coupling 12. The shaving unit 11 is of the kind in which one or more razor blades are mounted, a guard surface being provided for the cutting edge or cutting edges of the, or each blade. The underside of the shaving unit 11 is formed with a trackway 11 a. With the present invention the connection between the handle 10 and the shaving unit 11 is flexible in order that the shaving unit 11 can pivot (or rock) relative to the handle 10 in response to the pressures applied to it when it is in contact with the skin during shaving.Preferably, in the absence of such pressures the shaving unit is self-restoring to a predetermined ‘static’ position.
In this first construction coupling 12 provides the flexible connection between the shaving unit and the handle. Referring more particularly to
Figures 3 to 5, the coupling 12 provides a parallel sided track 1 2a for engagement with trackway 1 la on the shaving unit 11, the shaving unit 11 being replaced when no longer fit for use by sliding it off the track 1 2a and sliding a new shaving unit onto the track 1 2a. Track 1 2a is joined to a central hub 1 2b by a portion of reduced thickness which constitutes a hinge 1 2c and enables the track 1 2a to pivot relative to the hub 1 2b under the pressures referred to above, and to be self-restoring to the position shown when such pressures are removed.The hub 1 2b has a central web 12g and two parallel flanges 12d, which engage in an H-section recess 1 Oa in the end of the handle. The web 1 2g is formed with a resilient tongue 1 2e displaced from the plane of the web and which can be deflected as the hub is slid into the recess 1 Oa in the handle 10 during assembly of the coupling 12 with the handle 10, the tongue 1 2e then springing into a groove 1 Ob in the handle recess 1 Oa to latch the coupling 1 2 in the handle. Although not essential, the coupling 12 is provided with torsion arms 12f, each of which extends from a flange 1 2d to one end of the track 12a.The deflection of the torsion arms 12f, 12f which occurs when the shaving unit 11 pivots on the hinge 1 2c aids in restoring the shaving unit 11 to its static position.
The castellated form of one edge of the track 1 2a (the lower edge as viewed in Figure 7) is to permit escape of cut hairs and shaving soap which have passed through passages in the interior of shaving unit 11.
A suitable material for the coupling 12, or at least that portion which comprises the hinge 1 2c, is a polypropylene plastic, for example that sold by
Imperial Chemical Industries Ltd. under the Trade
Mark PROPATHENE Product GMX 43.
An alternative material is an acetal resin such as that sold by Du Pont Corporation under the
Trade Mark DELRIN.
It will be appreciated that the form of the hinge connection between the shaving unit and the handle may take many other forms from that shown in the first construction, and Figures 6 to 8 show diagrammatically, and purely by way of example, possible alternative forms. In Figure 6 the hinge 22c extends for substantially the whole length of the track 22a and no torsion arms are provided. In a modification of the Figures 6 form (not illustrated) the hinge is segmented, that is to say it is in several lengths rather than being continuous. Figure 7 shows diagrammatically a form in which there is a hinge 32c at each end of the track 32a and the torsion arms 32f, 32f extend from the centre of the track 32a to the outer portion of the ‘hubs’ 32b by which the coupling is secured to the handle.In the form diagrammatically illustrated in Figure 8 the hinges 42c are again at each end of the track 42a with torsion arms 42f each extending from a part of the track adjacent the ‘hub’ 42b at one end of the track 42a to the hub 42b at the remote end.
It will be appreciated that many modifications are possible. For example, instead of the coupling having a track and the shaving unit a trackway this portion of the coupling may serve as the base of the shaving unit on which the other components are assembled. In another modification, the couplings may be produced as separate parts which are subsequently fixed permanently to shaving units to provide replaceable units for use with a permanent handle. The latter will be so constructed that it can receive a replaceable unit which can be detached and replaced when it is no longer fit for use.
Although reference has been made to plastics
being used for the coupling, a part at least of the coupling including the hinge may be of metal.
A further possible construction is shown in
Figures 9 and 10. In this construction the handle
50 forms part of a one piece moulding with the
base 51a of a shaving unit 51 and with forked forwardly-projecting arms 52, 52 which extend from the upper end of the handle 50 to the
underside of the base 51a. The arms 52, 52 are
each connected to the base 51 a by a thin section
which constitutes a hinge 52a, 52a which enables
the base 51 a to pivot relative to the handle 50 in
response to the pressures applied to the shaving
unit 51 when it is in contact with the skin during
shaving. To aid in restoring the shaving unit 51 to
a predetermined static position when the
pressures are removed, a cantilever spring 53
forms an integral part of the moulding and extends
from the root of the forked arms 52 to a mid
position on the underside of the base 51 a. It will
be appreciated that pivoting of the base 51a
relative to the handle flexes the spring 53 which
will straighten and restore the shaving unit 51 to
its static position after pressure has been removed
from the shaving unit.
A twin-bladed shaving unit is shown
diagrammatically in section in Figure 10 and
consists of a moulding 515 which is secured in
any suitable manner to the base 51 a, provides
support for two blades 51 c, 51 c, and has a guard
surface 51 d.
This construction is designed as a disposable
razor in which the complete razor is thrown away when the shaving unit is no longer fit for further
use.
Claims (10)
1. A razor having a handle and means for ,mounting a razor blade, in which there is a
connection between the handle and the mounting
means comprising a portion of reduced thickness
which constitutes a hinge whereby the mounting
means can pivot relative to the handle.
2. A razor according to claim 1, wherein said
portion of reduced thickness is of plastics material.
3. A razor according to either claim 1 or claim
2, wherein said handle, said mounting means and
said portion of reduced thickness comprise a
single plastic moulding.
4. A razor according to any one of claims 1 to 3, further comprising resilient means adapted to
maintain said mounting means in a predetermined
pivotal position relative to said handle.
5. A razor according to claim 4 as appendant to
claim 3, wherein said resilient means is also a part
of said single plastic moulding.
6. A razor according to either claim 4 or claim
5, wherein said resilient means is of plastics
material.
7. A razor according to any one of claims 1 to 6,
wherein said means for mounting a razor blade
forms the base of a shaving unit comprising at
least one blade and means for securing the blade
to the mounting means and for providing a guard
surface for the cutting edge of the blade.
8. A razor according to any one of claims 1 to 7,
wherein said mounting means comprises a track
for engagement with a corresponding trackway of
a shaving unit.
9. A razor according to any one of claims 1 to 8
wherein two portions of reduced thickness
connect said handle to said mounting means.
10. A razor having the construction
substantially as described herein.
GB7926661A
1978-08-15
1979-07-31
Razors
Withdrawn
GB2030909A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
GB7833418
1978-08-15
Publications (1)
Publication Number
Publication Date
GB2030909A
true
GB2030909A
(en)
1980-04-16
Family
ID=10499069
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB7926661A
Withdrawn
GB2030909A
(en)
1978-08-15
1979-07-31
Razors
Country Status (9)
Country
Link
JP
(1)
JPS5554988A
(en)
AU
(1)
AU4981079A
(en)
BR
(1)
BR7905207A
(en)
DE
(1)
DE2932885A1
(en)
ES
(1)
ES252903Y
(en)
FR
(1)
FR2433396A1
(en)
GB
(1)
GB2030909A
(en)
IT
(1)
IT1121644B
(en)
ZA
(1)
ZA794290B
(en)
Cited By (26)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US5771591A
(en)
*
1995-09-28
1998-06-30
Armbruster; Joseph M.
Disposable resilient razor
GB2375067A
(en)
*
2001-05-01
2002-11-06
Enda Keaveney
Razor
GB2402332A
(en)
*
2003-06-06
2004-12-08
Reckitt Benckiser
Scraping device for use in hair removal
EP1488894A1
(en)
*
2003-06-18
2004-12-22
Feintechnik GmbH Eisfeld
Razor cartridge
WO2005096880A1
(en)
*
2004-04-08
2005-10-20
Reckitt Benckiser (Uk) Limited
Device and method
GB2408010B
(en)
*
2003-11-17
2007-03-28
Knowledge & Merchandising Inc
Shaving product
WO2009027910A3
(en)
*
2007-08-30
2009-05-22
Gillette Co
Razor with blade unit biasing member
GB2463035A
(en)
*
2008-08-29
2010-03-03
James Bartholomew Philpotts
Manual shaving razor with damping elastic elements
WO2011012172A1
(en)
*
2009-07-31
2011-02-03
Bic-Violex Sa
Wet shaver
CN101318335B
(en)
*
2005-05-17
2012-07-04
知识及销售有限公司
Razor
WO2014051841A1
(en)
2012-09-27
2014-04-03
Shavelogic, Inc.
Shaving systems
US9475202B2
(en)
2012-09-27
2016-10-25
Shavelogic, Inc.
Shaving systems
EP2918383A4
(en)
*
2012-11-06
2016-11-02
Kai R&D Center Co Ltd
Razor
US9623575B2
(en)
2012-12-18
2017-04-18
Shavelogic, Inc.
Shaving systems
US9844887B2
(en)
2012-07-26
2017-12-19
Shavelogic, Inc.
Pivoting razors
US10328587B2
(en)
2012-09-28
2019-06-25
Shavelogic, Inc.
Shaving systems
WO2019190966A1
(en)
*
2018-03-30
2019-10-03
The Gillette Company Llc
Shaving razor system including skin interconnect member
WO2019191156A1
(en)
*
2018-03-30
2019-10-03
The Gillette Company Llc
Shaving razor system including skin interconnect member
WO2019191344A1
(en)
*
2018-03-30
2019-10-03
The Gillette Company Llc
Shaving razor cartridge
US10500747B2
(en)
2013-12-09
2019-12-10
Shavelogic, Inc.
Multi-material pivot return for shaving systems
US11325270B2
(en)
2014-03-21
2022-05-10
Sl Ip Company Llc
Metal spring return and method
USD965221S1
(en)
2018-03-30
2022-09-27
The Gillette Company Llc
Shaving razor cartridge
US11577417B2
(en)
2018-03-30
2023-02-14
The Gillette Company Llc
Razor handle with a pivoting portion
US11691307B2
(en)
2018-03-30
2023-07-04
The Gillette Company Llc
Razor handle with a pivoting portion
US11766795B2
(en)
2018-03-30
2023-09-26
The Gillette Company Llc
Razor handle with a pivoting portion
US11780105B2
(en)
2018-03-30
2023-10-10
The Gillette Company Llc
Razor handle with a pivoting portion
Families Citing this family (4)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB2162111A
(en)
*
1984-05-30
1986-01-29
Wilkinson Sword Ltd
Pivotal shaving unit
US20050241162A1
(en)
*
2004-04-29
2005-11-03
Eveready Battery Company, Inc.
Biasing assembly for a razor and razor using same
US9144914B2
(en)
*
2011-06-30
2015-09-29
Rolling Razor, Inc.
Razor cartridge with reduced part count and expanded range of motion
US9457486B2
(en)
2013-03-13
2016-10-04
Rolling Razor, Inc
Shaving cartridge with individual blade guards
Family Cites Families (4)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US1423414A
(en)
*
1919-07-10
1922-07-18
John F Blything
Safety razor
US2120399A
(en)
*
1935-07-10
1938-06-14
Elliott Henry
Safety razor
US3938247A
(en)
*
1974-03-05
1976-02-17
The Gillette Company
Shaving system with pivotal head
AU507532B2
(en)
*
1976-12-15
1980-02-21
The Gillette Company
Razor handle
1979
1979-07-31
GB
GB7926661A
patent/GB2030909A/en
not_active
Withdrawn
1979-08-10
AU
AU49810/79A
patent/AU4981079A/en
not_active
Abandoned
1979-08-10
IT
IT09511/79A
patent/IT1121644B/en
active
1979-08-14
ES
ES1979252903U
patent/ES252903Y/en
not_active
Expired
1979-08-14
FR
FR7920704A
patent/FR2433396A1/en
active
Pending
1979-08-14
BR
BR7905207A
patent/BR7905207A/en
unknown
1979-08-14
DE
DE19792932885
patent/DE2932885A1/en
not_active
Withdrawn
1979-08-15
JP
JP10322879A
patent/JPS5554988A/en
active
Pending
1979-08-15
ZA
ZA00794290A
patent/ZA794290B/en
unknown
Cited By (60)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US5771591A
(en)
*
1995-09-28
1998-06-30
Armbruster; Joseph M.
Disposable resilient razor
GB2375067A
(en)
*
2001-05-01
2002-11-06
Enda Keaveney
Razor
GB2402332A
(en)
*
2003-06-06
2004-12-08
Reckitt Benckiser
Scraping device for use in hair removal
EP1488894A1
(en)
*
2003-06-18
2004-12-22
Feintechnik GmbH Eisfeld
Razor cartridge
EP1847360A1
(en)
*
2003-06-18
2007-10-24
Feintechnik GmbH Eisfeld
Razor cartridge
EP2292391A1
(en)
*
2003-11-17
2011-03-09
The King of Shaves Company Limited
Razor
GB2408010B
(en)
*
2003-11-17
2007-03-28
Knowledge & Merchandising Inc
Shaving product
EP1892067A1
(en)
*
2003-11-17
2008-02-27
Knowledge & Merchandising, Inc. Limited
Razor
WO2005096880A1
(en)
*
2004-04-08
2005-10-20
Reckitt Benckiser (Uk) Limited
Device and method
CN101318335B
(en)
*
2005-05-17
2012-07-04
知识及销售有限公司
Razor
WO2009027910A3
(en)
*
2007-08-30
2009-05-22
Gillette Co
Razor with blade unit biasing member
GB2463035A
(en)
*
2008-08-29
2010-03-03
James Bartholomew Philpotts
Manual shaving razor with damping elastic elements
WO2011012172A1
(en)
*
2009-07-31
2011-02-03
Bic-Violex Sa
Wet shaver
US9469038B2
(en)
2009-07-31
2016-10-18
Bic-Violex Sa
Wet shaver
US9844887B2
(en)
2012-07-26
2017-12-19
Shavelogic, Inc.
Pivoting razors
US10974404B2
(en)
2012-07-26
2021-04-13
Shavelogic, Inc.
Pivoting razors
US9486930B2
(en)
2012-09-27
2016-11-08
Shavelogic, Inc.
Shaving systems
EP2900437A4
(en)
*
2012-09-27
2016-06-01
Shavelogic Inc
Shaving systems
US10507588B2
(en)
2012-09-27
2019-12-17
Shavelogic, Inc.
Shaving systems
US11077569B2
(en)
2012-09-27
2021-08-03
Shavelogic, Inc.
Shaving systems
US11642804B2
(en)
2012-09-27
2023-05-09
Sl Ip Company Llc
Shaving systems
US9475202B2
(en)
2012-09-27
2016-10-25
Shavelogic, Inc.
Shaving systems
WO2014051841A1
(en)
2012-09-27
2014-04-03
Shavelogic, Inc.
Shaving systems
US10052776B2
(en)
2012-09-27
2018-08-21
Shavelogic, Inc.
Shaving systems
US10183407B2
(en)
2012-09-27
2019-01-22
Shavelogic, Inc.
Shaving systems
EP3434429A1
(en)
*
2012-09-27
2019-01-30
Shavelogic, Inc.
Shaving systems
US10328587B2
(en)
2012-09-28
2019-06-25
Shavelogic, Inc.
Shaving systems
US10744661B2
(en)
2012-09-28
2020-08-18
Shavelogic, Inc.
Shaving systems
EP2918383A4
(en)
*
2012-11-06
2016-11-02
Kai R&D Center Co Ltd
Razor
US9796101B2
(en)
2012-11-06
2017-10-24
Kai R & D Center Co., Ltd.
Razor
US10022882B2
(en)
2012-12-18
2018-07-17
Shavelogic, Inc.
Shaving systems
US10391654B2
(en)
2012-12-18
2019-08-27
Shavelogic, Inc.
Shaving systems
US10967533B2
(en)
2012-12-18
2021-04-06
Shavelogic, Inc.
Shaving systems
US9623575B2
(en)
2012-12-18
2017-04-18
Shavelogic, Inc.
Shaving systems
US11130248B2
(en)
2013-12-09
2021-09-28
Shavelogic, Inc.
Multi-material pivot return for shaving systems
US10500747B2
(en)
2013-12-09
2019-12-10
Shavelogic, Inc.
Multi-material pivot return for shaving systems
US11325270B2
(en)
2014-03-21
2022-05-10
Sl Ip Company Llc
Metal spring return and method
WO2019191344A1
(en)
*
2018-03-30
2019-10-03
The Gillette Company Llc
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(en)
*
2018-03-30
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The Gillette Company LLC
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*
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The Gillette Company LLC
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*
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The Gillette Company LLC
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*
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The Gillette Company LLC
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The Gillette Company Llc
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*
2018-03-30
2019-10-16
The Gillette Company LLC
Shaving razor cartridge
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*
2018-03-30
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The Gillette Company LLC
Shaving razor cartridge
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(en)
*
2018-03-30
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The Gillette Company LLC
Shaving razor cartridge
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(en)
*
2018-03-30
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The Gillette Company Llc
Shaving razor cartridge
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(en)
2018-03-30
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The Gillette Company Llc
Shaving razor cartridge
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(en)
*
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(en)
2018-03-30
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The Gillette Company Llc
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US11571828B2
(en)
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The Gillette Company Llc
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(en)
2018-03-30
2023-09-26
The Gillette Company Llc
Razor handle with a pivoting portion
US11780105B2
(en)
2018-03-30
2023-10-10
The Gillette Company Llc
Razor handle with a pivoting portion
Also Published As
Publication number
Publication date
DE2932885A1
(en)
1980-02-28
ES252903U
(en)
1981-05-01
ES252903Y
(en)
1981-11-01
IT7909511D0
(en)
1979-08-10
FR2433396A1
(en)
1980-03-14
JPS5554988A
(en)
1980-04-22
IT1121644B
(en)
1986-04-02
BR7905207A
(en)
1980-05-13
ZA794290B
(en)
1980-08-27
AU4981079A
(en)
1980-02-21
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Legal Events
Date
Code
Title
Description
1983-06-15
WAP
Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)
