US3783508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric shavers
Assignee: Gillette Co LLC
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Filing: 1971-08-13
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Granted: 1974-01-08
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Expires: 1991-08-13
Abstract
Abstract An electric dry shaver of the cordless type has the motor, battery and other parts supported in an integrally moulded body frame, a sheet metal body casing enclosing the frame and supported parts, with a cutter drive member projecting through the casing and carrying externally thereof a reciprocable cutter which co-operates with a shear plate carried on a head casing detachably secured to the body. The head casing also carries a long hair trimmer. Provision is made for recharging the cells from an external power source and for operating direct from an external source in an emergency, suitable external sources for both purposes being disclosed.
Inventors
- 👤 N Brown
- 👤 C Packham
- 👤 R Parsonage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:26
CPC Classifications
B; B26; B26B; B26B19/00; B26B19/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
125 words
An electrically operated dry shaver comprising a frame integrally moulded from plastics material, an electric battery located and supported within the frame, an electric motor for operation by the battery also located in and supported by said frame, a cutter drive member mounted for reciprocation by the frame in operative connection with the motor, a sheet metal casing secured to the frame and enclosing the frame, the battery and the motor, the cutter drive member extending through an opening in the casing so as to lie partly inside and partly outside the casing, a cutter secured to the drive member outside the casing, a head casing removably secured to the frame and an apertured shear plate secured to the head casing and engaging the cutter.
Claim 2
Dependent Claim
125 words
An electrically operated dry shaver comprising a frame integrally moulded from plastics material, an electric battery located and supported within the frame, an electric motor for operation by the battery also located in and supported by said frame, a cutter drive member mounted for reciprocation by the frame in operative connection with the motor, a sheet metal casing secured to the frame and enclosing the frame, the battery and the motor, the cutter drive member extending through an opening in the casing so as to lie partly inside and partly outside the casing, a cutter secured to the drive member outside the casing, a head casing removably secured to the frame and an apertured shear plate secured to the head casing and engaging the cutter.
Claim 3
Dependent Claim
148 words
An electrically operated dry shaver comprising a body having an internal cavity bounded on one side by a wall having an aperture formed therein, an electric motor mounted on the body within the cavity, a cutter drive member extending through said aperture and supported from the body for reciprocation in the plane of said wall, means within the cavity operatively connecting the motor to the drive member, a cutter disposed on the outer side of said wall and secured to the drive member, and an apertured shear plate secured to the body and engaging and co-operating with the cutter, wherein the cutter drive member is shaped to provide a pair of parallel opposed surfaces extending in closely spaced parallel relation to the inner and outer surfaces respectively of said wall, the lateral and longitudinal extents of said surfaces substantially exceeding the width and length respectively of said aperture.
Claim 4
Dependent Claim
148 words
An electrically operated dry shaver comprising a body having an internal cavity bounded on one side by a wall having an aperture formed therein, an electric motor mounted on the body within the cavity, a cutter drive member extending through said aperture and supported from the body for reciprocation in the plane of said wall, means within the cavity operatively connecting the motor to the drive member, a cutter disposed on the outer side of said wall and secured to the drive member, and an apertured shear plate secured to the body and engaging and co-operating with the cutter, wherein the cutter drive member is shaped to provide a pair of parallel opposed surfaces extending in closely spaced parallel relation to the inner and outer surfaces respectively of said wall, the lateral and longitudinal extents of said surfaces substantially exceeding the width and length respectively of said aperture.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-07 | 1977-07-09 | 1978-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-07 | 1981-07-09 | 1982-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-07 | 1985-07-09 | 1986-01-08 | $7700.00 | Window Closed / Lapsed |