US4490907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaving apparatus
Assignee: US Philips Corp
•
Filing: 1983-04-21
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Granted: 1985-01-01
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Expires: 2003-04-21
Abstract
Abstract A shaving apparatus comprising a shear plate with apertures and a cutting unit which is drivable relative to the shear plate and comprises a central body provided with cutting elements. Each cutting element has an associated hair-pulling element which precedes the cutting element in the direction of driving. Each combination of a cutting element and an associated hair-pulling element is formed by the limbs of a substantially U-shaped member of a sheet material which may be manufactured as a separate part.
Inventors
- 👤 Jan H. Benedictus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:09
CPC Classifications
B; B26; B26B; B26B19/00; B26B19/14; B26B19/141; B26B19/38; B26B19/42
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
72 words
A shaving apparatus comprising a shear plate with apertures and a cutting unit which is drivable relative to the shear plate and comprises a body provided with cutting elements, a hair-pulling element being associated with each cutting element and preceding said cutting elements in the direction of driving, characterized in that each cutting element and associated hair-pulling element are formed by the limbs of a substantially U-section member of a sheet material.
Claim 2
Dependent Claim
72 words
A shaving apparatus comprising a shear plate with apertures and a cutting unit which is drivable relative to the shear plate and comprises a body provided with cutting elements, a hair-pulling element being associated with each cutting element and preceding said cutting elements in the direction of driving, characterized in that each cutting element and associated hair-pulling element are formed by the limbs of a substantially U-section member of a sheet material.
Claim 3
Dependent Claim
41 words
A shear plate as claimed in claim 1, characterized in that the limbs of the U-section member have end portions which are bent over to extend towards the shear plate in a forward direction with respect to the direction of driving.
Claim 4
Dependent Claim
30 words
A shaving apparatus as claimed in claim 1, characterized in that portions of said body which are in contact with the cutting elements have projections which contact the shear plate.
References Cited (Backward Citations)
US2339677A
Cited
US3065541A
Cited
US3088205A
Cited
FR2442111A1
Cited
DE2857601A1
Cited
US4329781A
Cited
US4336650A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-01-01 | 1988-07-02 | 1989-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-01-01 | 1992-07-02 | 1993-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-01-01 | 1996-07-02 | 1997-01-01 | $7700.00 | Window Closed / Lapsed |