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US4378633A Expired / Lapsed US ⏱️ 0.0 years remaining

Razor blade assembly

Assignee: Gillette Co LLC
•
Filing: 1981-01-29
•
Granted: 1983-04-05
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Expires: 2001-01-29
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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 2026-11-06 17:23
CPC Classifications
B; B26; B26B; B26B21/00; B26B21/08; B26B21/14; B26B21/22; B26B21/222; B26B21/227

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 78 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 guard member being a rotatable cylindrically-shaped member.
Claim 2
Dependent Claim 78 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 guard member being a rotatable cylindrically-shaped member.
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 25 words
The invention in accordance with claim 2 in which said first and second blade members are mounted respectively on first and second blade support members.
Claim 5
Dependent Claim 50 words
The invention in accordance with claim 3 in which said spring finger biasing means comprises first spacing finger means in engagement with said first blade support member, second spring finger means in engagement with said second blade support member, 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 36 words
The invention in accordance with claim 2 in which said assembly further includes a cap portion comprising a second rotatable cylindrically-shaped member connected to said body member, said cap portion being rotatable in 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)

US1935452A Cited
US2327967A Cited
US2840901A Cited
US2915817A Cited
US3500539A Cited
US3657810A Cited
US3685150A Cited
US4083102A Cited
US4168571A Cited

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

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