Patent US4378634A successfully refreshed from Google Patents.
US4378634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Razor blade assembly
Assignee: Gillette Co LLC
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Filing: 1981-01-30
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Granted: 1983-04-05
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Expires: 2001-01-30
Abstract
Abstract A razor blade assembly including a body member, a guard member mounted on the body member for movement thereon, a blade member mounted on the body member for movement thereon, the guard member and the blade member being independently movable in response to forces encountered during a shaving operation, spring finger biasing members integral with the body member and exercising a bias against the guard member and the blade member, a cap portion fixed to the body member, and connector structure integral with the body member for connection of the blade assembly to a razor handle.
Inventors
- 👤 Chester F. Jacobson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:19
CPC Classifications
B; B26; B26B; B26B21/00; B26B21/40; B26B21/4012; B26B21/4018; B26B21/08; B26B21/14; B26B21/22; B26B21/222; B26B21/227
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
95 words
A razor blade assembly comprising a body member, a guard member fixed to said body member for movement thereon, blade means mounted on said body member for movement thereon, said guard member and said blade means being independently movable in response to forces encountered during a shaving operation, and spring finger biasing means integral with said body portion and exercising a bias against said guard member and said blade means, said blade means comprising a shaped member having a base portion and a cutter portion, said base and cutter portions defining therebetween an obtuse angle.
Claim 2
Dependent Claim
95 words
A razor blade assembly comprising a body member, a guard member fixed to said body member for movement thereon, blade means mounted on said body member for movement thereon, said guard member and said blade means being independently movable in response to forces encountered during a shaving operation, and spring finger biasing means integral with said body portion and exercising a bias against said guard member and said blade means, said blade means comprising a shaped member having a base portion and a cutter portion, said base and cutter portions defining therebetween an obtuse angle.
Claim 3
Dependent Claim
37 words
The invention in accordance with claim 1 in which said blade means comprises first and second blade members, said first and second blade members being movable independently of each other, and said guard portion, against said bias.
Claim 4
Dependent Claim
28 words
The invention in accordance with claim 2 in which said base portions of said first and second blade members are mounted respectively on said spring finger biasing means.
Claim 5
Dependent Claim
50 words
The invention in accordance with claim 3 in which said spring finger biasing means comprises first spring finger means in engagement with said first blade base portion, second spring finger means in engagement with said second blade base portion, and third spring finger means in engagement with said guard portion.
Claim 6
Dependent Claim
21 words
The invention in accordance with claim 4 in which each of said spring finger means comprises a pair of spring fingers.
Claim 7
Dependent Claim
27 words
The invention in accordance with claim 5 in which said body portion is of molded plastic and said spring fingers are molded integrally with said body portion.
Claim 8
Dependent Claim
48 words
The invention in accordance with claim 2 in which said spring fingers biasing means includes a first set of spring fingers biasing said first blade member, a second set of spring fingers biasing said second blade member, and a third set of spring fingers biasing said guard member.
Claim 9
Dependent Claim
31 words
The invention in accordance with claim 2 in which said assembly further includes a cap portion fixed to said body member, said cap portion being non-movable relative to said body member.
Claim 10
Dependent Claim
33 words
The invention in accordance with claim 7 in which said body member is of molded plastic and said first, second and third sets of spring fingers are molded integrally with said body member.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-04-04 | 1986-10-04 | 1987-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-04-04 | 1990-10-04 | 1991-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-04-04 | 1994-10-04 | 1995-04-05 | $7700.00 | Window Closed / Lapsed |