CA1188086A - Shaving implement - Google Patents
Shaving implementInfo
- Publication number
- CA1188086A CA1188086A CA000386267A CA386267A CA1188086A CA 1188086 A CA1188086 A CA 1188086A CA 000386267 A CA000386267 A CA 000386267A CA 386267 A CA386267 A CA 386267A CA 1188086 A CA1188086 A CA 1188086A
- Authority
- CA
- Canada
- Prior art keywords
- platform
- cap
- blade
- portions
- blade means
- Prior art date
- 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.)
- Expired
Links
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
Abstract
ABSTRACT OF THE DISCLOSURE
A shaving implement including a platform portion, a back portion, a cap portion overlying the platform portion, end walls interconnecting the platform and cap portions, the plat-form, back, cap and end wall portions being an integrally molded plastic unit, and a blade member permanently disposed between the cap and platform portions, the cap portion exercizing a clamping pressure on the blade member.
A shaving implement including a platform portion, a back portion, a cap portion overlying the platform portion, end walls interconnecting the platform and cap portions, the plat-form, back, cap and end wall portions being an integrally molded plastic unit, and a blade member permanently disposed between the cap and platform portions, the cap portion exercizing a clamping pressure on the blade member.
Description
BACKGROUND OF THl~ INVENTION
Field of the Invention The inven-tion relates to wet shaving systems and is directed more particularly to a low-cost highly maneuverable wet shaving device.
Description of the Prior Art It is generally known in the art to provide a housing having ~latform and cap portions adapted to receive a blade means therebetween. In U.S. Patent No. 1,195,259, issued August 22, 1916 to ~.E. O'Reilly, there is shown a platform and cap portion formed from a single piece of metal, the cap overlying the platform.
It is also generally known to embed a blade in a plastic shaving head, the head being permanently attached to a handle, or alternatively, removable from a handle for replacement by another shaving head. U.S. Patent No. 1,864,995, issued June 28, 1932 to T.H. Frost shows such an arrangement.
More recent examples of plastic shaving heads having blades fixed therein include U.S. Patent No. 3,703,76~, issued 20 November 28, 1972 to Roger L. Perry, U.S. Patent No. 3,724,070, issued ~pril 3, 1973 to Francis W. Dorion, and U.S. Patent No.
~,026,016, issued May 31, 1977 to Warren I. Nissen. While such recent examples have been eminently successful, there is, as always, a need for such products which are less expensive to manufacture and offer improved functional characteristics.
A combination of the simplicity of the O'Reilly device and the more recent blade-in-plastic shaving implements would afford significant cost savings, and at the same time permit manufacture of a more maneuverable, more easily handled shaving implement.
Recognizing that it is only the cutting edge of a razor blade that does the razor's workt there have been attempts to use narrower blades. In most cartridge-type shaving units blades are retained in plastic cartridges by the passing of plastic posts, or pins, through holes in the blades and heading over the posts.
While such method has successfully accomplished its goal, the use of "rivets" of this sort requires a blade of the width of about ~' 1/10 inchl limiting to a grea-t extent the degree of narrowness possible. Effor-ts have been macle as described in U~S. Patent No.
~,0~4,316, issued April 18, 1978, to John F. Francis, to utilize ~ery narrow blad~s by way of weldlng the blades to a support, such as a rigid wire. Welding presents problems by virtue oE the heat required and the effec-t of such heat on the blade metal.
Accordingly, there exists a need Eor a shavinq implement construction which will permi-t use of blades narrower than 1/10 inch but not such as to subject the blades to harmful temperatures, or other deleterious conditions, during fabrica-tion.
CUMMARY OF THE I2~VENTION
It is therefore an object of the present inven-tion to provide a shaving lmplement including blade means disposed between cap and platform portions which operate to retain the blade means without need of rivet portions, or the like.
A further object of the invention is to provide a shaving implement utilizing narrow blade means disposed between the cap and platform portions and retained therebetween.
With the above and other objects in view, as will hereinaf-ter appear, a feature of the present invention ls the provision of a shaving implement comprising a plat-form portion, a back portion upstanding from a lengthwise margin of the platform portion, a cap portion extending from the back portion and overlying the platform portion, end walls interconnecting the platform and cap portions at either end thereof, the platform, back, cap and end wall portions being an integrally molded plastic unit, the cap portion being adapted, in an unstressed sta-te, to incline toward the platform portion to a first position, and blade means permanently disposed between the cap and platform portions and adjacent the back portion, the blade means stressing the cap portion and retaining the cap portion in a second position further removed from the platform portion than the first position, the cap portion thereby exercising a clamping pressure on the blade means.
Field of the Invention The inven-tion relates to wet shaving systems and is directed more particularly to a low-cost highly maneuverable wet shaving device.
Description of the Prior Art It is generally known in the art to provide a housing having ~latform and cap portions adapted to receive a blade means therebetween. In U.S. Patent No. 1,195,259, issued August 22, 1916 to ~.E. O'Reilly, there is shown a platform and cap portion formed from a single piece of metal, the cap overlying the platform.
It is also generally known to embed a blade in a plastic shaving head, the head being permanently attached to a handle, or alternatively, removable from a handle for replacement by another shaving head. U.S. Patent No. 1,864,995, issued June 28, 1932 to T.H. Frost shows such an arrangement.
More recent examples of plastic shaving heads having blades fixed therein include U.S. Patent No. 3,703,76~, issued 20 November 28, 1972 to Roger L. Perry, U.S. Patent No. 3,724,070, issued ~pril 3, 1973 to Francis W. Dorion, and U.S. Patent No.
~,026,016, issued May 31, 1977 to Warren I. Nissen. While such recent examples have been eminently successful, there is, as always, a need for such products which are less expensive to manufacture and offer improved functional characteristics.
A combination of the simplicity of the O'Reilly device and the more recent blade-in-plastic shaving implements would afford significant cost savings, and at the same time permit manufacture of a more maneuverable, more easily handled shaving implement.
Recognizing that it is only the cutting edge of a razor blade that does the razor's workt there have been attempts to use narrower blades. In most cartridge-type shaving units blades are retained in plastic cartridges by the passing of plastic posts, or pins, through holes in the blades and heading over the posts.
While such method has successfully accomplished its goal, the use of "rivets" of this sort requires a blade of the width of about ~' 1/10 inchl limiting to a grea-t extent the degree of narrowness possible. Effor-ts have been macle as described in U~S. Patent No.
~,0~4,316, issued April 18, 1978, to John F. Francis, to utilize ~ery narrow blad~s by way of weldlng the blades to a support, such as a rigid wire. Welding presents problems by virtue oE the heat required and the effec-t of such heat on the blade metal.
Accordingly, there exists a need Eor a shavinq implement construction which will permi-t use of blades narrower than 1/10 inch but not such as to subject the blades to harmful temperatures, or other deleterious conditions, during fabrica-tion.
CUMMARY OF THE I2~VENTION
It is therefore an object of the present inven-tion to provide a shaving lmplement including blade means disposed between cap and platform portions which operate to retain the blade means without need of rivet portions, or the like.
A further object of the invention is to provide a shaving implement utilizing narrow blade means disposed between the cap and platform portions and retained therebetween.
With the above and other objects in view, as will hereinaf-ter appear, a feature of the present invention ls the provision of a shaving implement comprising a plat-form portion, a back portion upstanding from a lengthwise margin of the platform portion, a cap portion extending from the back portion and overlying the platform portion, end walls interconnecting the platform and cap portions at either end thereof, the platform, back, cap and end wall portions being an integrally molded plastic unit, the cap portion being adapted, in an unstressed sta-te, to incline toward the platform portion to a first position, and blade means permanently disposed between the cap and platform portions and adjacent the back portion, the blade means stressing the cap portion and retaining the cap portion in a second position further removed from the platform portion than the first position, the cap portion thereby exercising a clamping pressure on the blade means.
- 2 -The above and other features oE the invention, including various novel details of construction and combinations oE parts, will now be more particularly described with reference to the accompanying drawings and pointed out in the claims. It will be understood that the particular device embodying the invention is shown by way oE illustration only and not as a limitation of the invention. The principles and features of this invention may be employed in various and numerous embodiments without departing from the scope of the invention.
BRIEF DESCRIPTION OF THE DRAWINGS
Reference is made to the accompanying drawings in which is shown an illus-trative embodiment of the invention from which its novel features and advantages will be apparent.
lS In the drawings:
FIG. 1 is a top plan view of a housing suitable for use in an illustrative embodimen-t of the invention;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a sectional view taken along line III-III of FIG. l;
FIG. 4 is a sectional view taken along line IV-IV of FIG. l;
FIG. 5 is an exploded perspec-tive view of an illustrative blade means;
FIG. 6 is a top plan view of one form of shaving implement illustrative of an embodiment of the invention;
FIG. 7 is a front elevational view of the shaving implement;
FIG. 8 is a sectional view taken along line VIII-VIII
of FIG. 6;
FIG. 9 is a side elevational view of one form of razor illustrative of a Eurther embodiment of the invention, and FIG. 10 is a sectional view, similar to FIG. 8, but showing still another embodiment of the invention.
DESCRIPTION OF I'HE PREFERRED EMBODIMENTS
Referring to the drawings, and particularly EIGS. 1-4, it will be seen that an illustrative housing 2 includes a platform portion 4. A back portion 6 upstands from a lengthwise margin of the platform portion 4, and a cap portion 8 extends forwardly from the back portion 6 to overlie the platform portion. The housing further includes leg portions extending forwardly from the platform portion and joining a guard portion 12 which is disposed parallel to the back portion 6. The housing is further provided with end walls 14, 16 interconnecting the back and guard por-tions at ends of the housing.
The cap portion 8 in an unstressed state (FIGS~ 3 and 4) is adapted to incline toward the platform portion 4 to a first position. The cap portion is sufficiently flexible to receive a blade means therebeneath, the blade means stressing the cap portion to a second position ~FIG. 8) further removed from the platform portion than the first position. The cap portion thereby exercises a clamping pressure on the blade means~
The cap portion 8 may comprise a series of spaced, aligned forwardly extending fingers 18. The platform portion may be provided with a series of spaced, aligned recesses 20, the recesses being separated by platform rib portions 22. As may be seen in FIG. 1, each of the fingers 18 is disposed over one of the recesses 20 and each of the rib portions 22 is in alignment with a space between two of the fingers 18.
Preferably, the entire housing, and at least the C platform, back, cap and end portions, is of molded plastic and is molded as an integral unit. The fingers 18 are in effect leaf springs adapted to flex to receive a blade means between the fingers and the platform and further serve to urge the blade means against an upper surface 24 of the platform portion.
In a preferred embodiment, the end walls 14 r 16 are provided with inwardly extending projections 26 which are opposed to each other, as seen in FIGS. 1 and 2. The projections provide an additional blade means reten-tion facility. Each projection includes a forward surface 28 extending from ihe end wall on which the projection is mounted obliquely to a side surface 30.
A rear surface 32 interconnects the rearward edge oE -the side surface and the end wall surEace. The function and operation oE
the projections 26 will be Eurther described hereinbelow.
Each of the fingers 18 includes a guide surface 34, serving to guide a blade means into the gap, or pocket, Eormed by the platform and bac~ portion and the fingers. As no-ted above, the fingers 18 are -formed such that while extending forwardly, the fingers also extend slightly downwardly, as viewed in FIGS. 3 and 4, or toward the platform surface 24.
Referring to FIG. 5, it will be seen that a blade means suitable for use with the above-described housing includes a first blade 40 having a cutting edge 42 and a narrower second blade 44 having a cutting edge 46, the blades 40, 4~ being fixed to either side, respectively, of a spacer member 50. The spacer member 50 includes an elongated central portion 52 and end portions 54 extending forwardly of a frontal edge 56 of the central portion 52 and having outwardly-facing notches 58 therein adapted to receive the projections 26. The notches 58 are defined in part by extensions 60, each having a cam surface 62, an outer surface b4, and a notch surface 66.
In assembly, the blade means including the Eirst blade 40, spacer 50, and a second blade 44, is inserted between the fingers 18 and -the upper surfaces 24 of the rib portions 22~ the finger guide surfaces 34 guiding and urging the blade means into place. The cam surface 62 engages the projection forward surface 28. Continued pressure on the blade means causes the extensions 60 to override the projec-tions 26, with the notches 58 coming to rest about the projections 26, as seen in FIG. 6.
The blade and spacer portions of the blade means are retained in position relative to each other solely by the pressure thereon exercised by the cap portion 8 and are otherwise not attached to each other. There being no rivet connecting means, it will be apparent that the width of the blade is no-t a critical factor and a very narrow blade, less than 1/10 inch from the cutting edge to rearward edge, may be used.
Referring to FIG. 9, it wl]l be seen that the housing may be provided wi-th means for attachment to a razor handle.
While such means may comprise the well known groove means disclosed in the aforementionecl U.S. Patent No. 3,724,070, or journal means as disclosed in the aforementioned U.S. Patent No.
4~026,016, in the embodiment shown in FIGS. l-4, the housing is provided with connecting means 70 adapted to be engaged by a razor handle 80. ~he handle 80 may be of the type permanently connected to the housing 2, or may be of the type selectively connected and disconnected to and from the handle.
It is to be understood that the present invention is by no means limited to the particular construction herein disclosed and/or shown in the drawings, but also comprises any modifications or equivalents within the scope of the disclosure.
For example, the blade means need not comprise a plurality of components, but may instead comprise a single blade ~0 disposed between the platform and cap portions 4, 8 of the unit, as illustrated in FIG. lO of the drawings.
~0
BRIEF DESCRIPTION OF THE DRAWINGS
Reference is made to the accompanying drawings in which is shown an illus-trative embodiment of the invention from which its novel features and advantages will be apparent.
lS In the drawings:
FIG. 1 is a top plan view of a housing suitable for use in an illustrative embodimen-t of the invention;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a sectional view taken along line III-III of FIG. l;
FIG. 4 is a sectional view taken along line IV-IV of FIG. l;
FIG. 5 is an exploded perspec-tive view of an illustrative blade means;
FIG. 6 is a top plan view of one form of shaving implement illustrative of an embodiment of the invention;
FIG. 7 is a front elevational view of the shaving implement;
FIG. 8 is a sectional view taken along line VIII-VIII
of FIG. 6;
FIG. 9 is a side elevational view of one form of razor illustrative of a Eurther embodiment of the invention, and FIG. 10 is a sectional view, similar to FIG. 8, but showing still another embodiment of the invention.
DESCRIPTION OF I'HE PREFERRED EMBODIMENTS
Referring to the drawings, and particularly EIGS. 1-4, it will be seen that an illustrative housing 2 includes a platform portion 4. A back portion 6 upstands from a lengthwise margin of the platform portion 4, and a cap portion 8 extends forwardly from the back portion 6 to overlie the platform portion. The housing further includes leg portions extending forwardly from the platform portion and joining a guard portion 12 which is disposed parallel to the back portion 6. The housing is further provided with end walls 14, 16 interconnecting the back and guard por-tions at ends of the housing.
The cap portion 8 in an unstressed state (FIGS~ 3 and 4) is adapted to incline toward the platform portion 4 to a first position. The cap portion is sufficiently flexible to receive a blade means therebeneath, the blade means stressing the cap portion to a second position ~FIG. 8) further removed from the platform portion than the first position. The cap portion thereby exercises a clamping pressure on the blade means~
The cap portion 8 may comprise a series of spaced, aligned forwardly extending fingers 18. The platform portion may be provided with a series of spaced, aligned recesses 20, the recesses being separated by platform rib portions 22. As may be seen in FIG. 1, each of the fingers 18 is disposed over one of the recesses 20 and each of the rib portions 22 is in alignment with a space between two of the fingers 18.
Preferably, the entire housing, and at least the C platform, back, cap and end portions, is of molded plastic and is molded as an integral unit. The fingers 18 are in effect leaf springs adapted to flex to receive a blade means between the fingers and the platform and further serve to urge the blade means against an upper surface 24 of the platform portion.
In a preferred embodiment, the end walls 14 r 16 are provided with inwardly extending projections 26 which are opposed to each other, as seen in FIGS. 1 and 2. The projections provide an additional blade means reten-tion facility. Each projection includes a forward surface 28 extending from ihe end wall on which the projection is mounted obliquely to a side surface 30.
A rear surface 32 interconnects the rearward edge oE -the side surface and the end wall surEace. The function and operation oE
the projections 26 will be Eurther described hereinbelow.
Each of the fingers 18 includes a guide surface 34, serving to guide a blade means into the gap, or pocket, Eormed by the platform and bac~ portion and the fingers. As no-ted above, the fingers 18 are -formed such that while extending forwardly, the fingers also extend slightly downwardly, as viewed in FIGS. 3 and 4, or toward the platform surface 24.
Referring to FIG. 5, it will be seen that a blade means suitable for use with the above-described housing includes a first blade 40 having a cutting edge 42 and a narrower second blade 44 having a cutting edge 46, the blades 40, 4~ being fixed to either side, respectively, of a spacer member 50. The spacer member 50 includes an elongated central portion 52 and end portions 54 extending forwardly of a frontal edge 56 of the central portion 52 and having outwardly-facing notches 58 therein adapted to receive the projections 26. The notches 58 are defined in part by extensions 60, each having a cam surface 62, an outer surface b4, and a notch surface 66.
In assembly, the blade means including the Eirst blade 40, spacer 50, and a second blade 44, is inserted between the fingers 18 and -the upper surfaces 24 of the rib portions 22~ the finger guide surfaces 34 guiding and urging the blade means into place. The cam surface 62 engages the projection forward surface 28. Continued pressure on the blade means causes the extensions 60 to override the projec-tions 26, with the notches 58 coming to rest about the projections 26, as seen in FIG. 6.
The blade and spacer portions of the blade means are retained in position relative to each other solely by the pressure thereon exercised by the cap portion 8 and are otherwise not attached to each other. There being no rivet connecting means, it will be apparent that the width of the blade is no-t a critical factor and a very narrow blade, less than 1/10 inch from the cutting edge to rearward edge, may be used.
Referring to FIG. 9, it wl]l be seen that the housing may be provided wi-th means for attachment to a razor handle.
While such means may comprise the well known groove means disclosed in the aforementionecl U.S. Patent No. 3,724,070, or journal means as disclosed in the aforementioned U.S. Patent No.
4~026,016, in the embodiment shown in FIGS. l-4, the housing is provided with connecting means 70 adapted to be engaged by a razor handle 80. ~he handle 80 may be of the type permanently connected to the housing 2, or may be of the type selectively connected and disconnected to and from the handle.
It is to be understood that the present invention is by no means limited to the particular construction herein disclosed and/or shown in the drawings, but also comprises any modifications or equivalents within the scope of the disclosure.
For example, the blade means need not comprise a plurality of components, but may instead comprise a single blade ~0 disposed between the platform and cap portions 4, 8 of the unit, as illustrated in FIG. lO of the drawings.
~0
Claims (4)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A shaving implement comprising a platform portion, a back portion upstanding from a lengthwise margin of said platform portion, a cap portion extending from said back portion and overlying said platform portion, end walls interconnecting said platform and cap portions at either end thereof, said platform, back, cap and end wall portions being an integrally molded plastic unit, said cap portion being adapted, in an unstressed state, to incline toward said platform portion to a first position, and blade means permanently disposed between said cap and platform portions and adjacent said back portion, said blade means stressing said cap portion and retaining said cap portion in a second position further removed from said platform portion than said first position, said cap portion thereby exercising a clamping pressure on said blade means.
2. The invention in accordance with claim 1 in which said blade means comprises a first blade member, a spacer member, and a second blade member, said spacer member being disposed between said first and second blade members, said blade and spacer members being in abutting engagement and held together by said clamping pressure, but otherwise being unconnected.
3. The invention in accordance with claim 2, in which at least one of said blades is less than 1/10 inch from cutting edge to back edge.
4. The invention in accordance with claim 2 in which said spacer includes an elongated central portion and end portions extending forwardly of a frontal edge of said central portion, said end portions extending forwardly of said first and second blade members.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US194,551 | 1980-10-06 | ||
| US06/194,551 US4354312A (en) | 1980-10-06 | 1980-10-06 | Shaving implement, housing therefor, and razor |
| US29872781A | 1981-09-03 | 1981-09-03 | |
| US298,727 | 1989-01-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1188086A true CA1188086A (en) | 1985-06-04 |
Family
ID=26890148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000386267A Expired CA1188086A (en) | 1980-10-06 | 1981-09-21 | Shaving implement |
Country Status (6)
| Country | Link |
|---|---|
| CA (1) | CA1188086A (en) |
| DE (1) | DE3139694C2 (en) |
| GB (1) | GB2087287B (en) |
| HK (1) | HK83884A (en) |
| MY (1) | MY8500817A (en) |
| YU (1) | YU240981A (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL85420A (en) * | 1987-04-24 | 1991-11-21 | Warner Lambert Co | Process for insert molding disposable razor |
| DE3926899A1 (en) * | 1989-08-16 | 1991-02-21 | Wilkinson Sword Gmbh | SHAVER HEAD, ESPECIALLY RAZOR BLADE UNIT OF A WET SHAVER |
| KR20110093846A (en) * | 2008-12-05 | 2011-08-18 | 더 질레트 컴퍼니 | Shaving cartridge cap having flow channels |
| US8826543B2 (en) * | 2009-03-23 | 2014-09-09 | The Gillette Company | Manually actuable liquid dispensing razor |
| US20100313426A1 (en) * | 2009-06-12 | 2010-12-16 | Terence Gordon Royle | Safety razor with pivot and rotation |
| US20110067245A1 (en) * | 2009-09-21 | 2011-03-24 | Kelly Daniel Bridges | Shaving Razors and Cartridges |
| US20110094108A1 (en) * | 2009-10-22 | 2011-04-28 | Kevin James Wain | Shaving Cartridge Cap Having Flow Channels |
| RU2493957C1 (en) * | 2012-03-13 | 2013-09-27 | Станислав Святославович Сагаков | Razor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1160542A (en) * | 1965-04-29 | 1969-08-06 | Wilkinson Sword Ltd | Improvements in and relating to Shaving Units and Dispensers Therefor |
| US3852883A (en) * | 1973-01-23 | 1974-12-10 | Warner Lambert Co | Shaving unit for safety razor |
| US4084316A (en) * | 1974-10-08 | 1978-04-18 | The Gillette Company | Safety razors |
-
1981
- 1981-09-21 CA CA000386267A patent/CA1188086A/en not_active Expired
- 1981-09-30 GB GB8129516A patent/GB2087287B/en not_active Expired
- 1981-10-06 YU YU240981A patent/YU240981A/en unknown
- 1981-10-06 DE DE19813139694 patent/DE3139694C2/en not_active Expired
-
1984
- 1984-11-01 HK HK83884A patent/HK83884A/en not_active IP Right Cessation
-
1985
- 1985-12-30 MY MY8500817A patent/MY8500817A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB2087287A (en) | 1982-05-26 |
| GB2087287B (en) | 1984-02-01 |
| MY8500817A (en) | 1985-12-31 |
| DE3139694A1 (en) | 1982-05-27 |
| YU240981A (en) | 1983-12-31 |
| HK83884A (en) | 1984-11-09 |
| DE3139694C2 (en) | 1985-03-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry | ||
| MKEX | Expiry |
Effective date: 20020604 |