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US4586255A Expired / Lapsed US ⏱️ 0.0 years remaining

Razor blade assembly

Assignee: Gillette Co LLC
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Filing: 1984-10-15
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Granted: 1986-05-06
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Expires: 2004-10-15
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Abstract

Abstract A razor blade assembly comprising a molded plastic body member, a guard member mounted on the body member, blades are mounted on the body member, the body member including a back portion, the back portion having an opening therein, and an insert member fixed in the back portion opening, the insert member forming generally a continuation of top and rear surfaces of the back portion.

Inventors

  • 👤 Chester F. Jacobson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 23:35
CPC Classifications
B; B26; B26B; B26B21/00; B26B21/40; B26B21/4068; B26B21/08; B26B21/14; B26B21/22; B26B21/222; B26B21/227; B26B21/4012; B26B21/4018

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 193 words
A razor blade assembly comprising a body member of molded plastic including a front portion and a back portion, a guard member mounted on said body member, blade means mounted on said body member rearwardly of said guard, the back portion of said body member having an upper surface portion and a rear surface portion, said back portion having an opening therein, said opening being defined in part by a rear portion of said back portion and the upper surface of said back portion, said back portion rear surface and the upper surface portion of said back portion being angularly offset relative to one another and an insert member fixed in said opening, said insert member including a wedge-shaped portion and said opening being in part defined by a gap between said back portion upper surface and said back portion rear surface portion, said wedge-shaped portion at its widest point being wider than said gap, but adapted to be urged through said gap, in assembly, to become permanently lodged in said opening and in which said insert member is comprised of a mixture of hydrophobic material and a water leachable hydrophilic polymeric material.
Claim 2
Dependent Claim 193 words
A razor blade assembly comprising a body member of molded plastic including a front portion and a back portion, a guard member mounted on said body member, blade means mounted on said body member rearwardly of said guard, the back portion of said body member having an upper surface portion and a rear surface portion, said back portion having an opening therein, said opening being defined in part by a rear portion of said back portion and the upper surface of said back portion, said back portion rear surface and the upper surface portion of said back portion being angularly offset relative to one another and an insert member fixed in said opening, said insert member including a wedge-shaped portion and said opening being in part defined by a gap between said back portion upper surface and said back portion rear surface portion, said wedge-shaped portion at its widest point being wider than said gap, but adapted to be urged through said gap, in assembly, to become permanently lodged in said opening and in which said insert member is comprised of a mixture of hydrophobic material and a water leachable hydrophilic polymeric material.
Claim 3
Dependent Claim 210 words
A razor blade assembly comprising a body member of molded plastic, said body member including a front portion, a back portion, spring finger guard support means, and spring finger blade support means, a guard member mounted on said body member and biased by said spring finger guard support means, blade means mounted on said body member rearwardly of said guard and biased by said spring finger blade support means, said back portion of said body member having an opening therein, said opening being defined in said back portion by an upper surface portion and a back portion rear surface portion, and an insert member including a wedge-shaped portion and said opening being in part defined by a gap between said back portion upper surface and said back portion rear surface portion which are relatively angularly offset, said wedge-shaped portion at its widest point being wider than said gap, but adapted to be urged through said gap, in assembly, to become permanently lodged in said opening, said insert member having a top surface rounding into a rear surface to generally form a continuation of said back portion upper and rear surface portions, and said insert member being comprised of a mixture of hydrophobic material and a water leachable hydrophilic polymeric material.
Claim 4
Dependent Claim 210 words
A razor blade assembly comprising a body member of molded plastic, said body member including a front portion, a back portion, spring finger guard support means, and spring finger blade support means, a guard member mounted on said body member and biased by said spring finger guard support means, blade means mounted on said body member rearwardly of said guard and biased by said spring finger blade support means, said back portion of said body member having an opening therein, said opening being defined in said back portion by an upper surface portion and a back portion rear surface portion, and an insert member including a wedge-shaped portion and said opening being in part defined by a gap between said back portion upper surface and said back portion rear surface portion which are relatively angularly offset, said wedge-shaped portion at its widest point being wider than said gap, but adapted to be urged through said gap, in assembly, to become permanently lodged in said opening, said insert member having a top surface rounding into a rear surface to generally form a continuation of said back portion upper and rear surface portions, and said insert member being comprised of a mixture of hydrophobic material and a water leachable hydrophilic polymeric material.

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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) 1989-05-05 1989-11-04 1990-05-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1993-05-05 1993-11-04 1994-05-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1997-05-05 1997-11-04 1998-05-06 $7700.00 Window Closed / Lapsed

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