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US4407067A Expired / Lapsed US ⏱️ 0.0 years remaining

Shaving implement

Assignee: Gillette Co LLC
•
Filing: 1981-09-03
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Granted: 1983-10-04
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Expires: 2001-09-03
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Abstract

Abstract A shaving implement including a platform member, a cap member, and blade means disposed therebetween, the cap member including a series of forwardly extending fingers separated by recesses, the fingers having a first skin-engaging point thereon, and the recesses being defined in part by a cap member wall comprising a second skin-engaging point, the blade means comprising first and second blades each having a blade tangent angle in the range of 20° to 32° and a span in the range of 0.030 tp 0.080 inch, the first blade having an exposure of 0.0015±0.0015 inch, and the second blade having alternating first and second exposures along its length, the first exposure being determined by a first tangent line extending from the first cutting edge to the first skin-engaging point, and the second exposure being determined by a second tangent line extending from the first cutting edge to the second skin-engaging point.

Inventors

  • 👤 Robert A. Trotta

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 00:41
CPC Classifications
B; B26; B26B; B26B21/00; B26B21/08; B26B21/14; B26B21/22; B26B21/222

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 255 words
A shaving implement comprising a platform member, a cap member, and blade means disposed therebetween, said platform member comprising a blade support portion, a guard portion mounted forwardly of said blade support portion, and a back portion upstanding from said blade support portion, said guard and back portions defining parallel opposite lengthwise edges of said platform member, said cap member comprising a series of fingers extending from said back portion forwardly toward said guard portion, said fingers being separated from each other by recesses therebetween, said fingers including a first skin-engaging point and said recesses being defined in part by a cap member wall comprising a second skin-engaging point, and said blade means comprising a first blade member having a first cutting edge disposed rearwardly of said guard portion, a second blade member having a second cutting edge disposed rearwardly of said first cutting edge, and spacer means for maintaining said first and second blade members in spaced parallel relationship, said first and second cutting edges each having a blade tangent angle in the range of 20°-32° and a span in the range of 0.030 to 0.080 inch, said first blade member having an exposure of 0.0015±0.0015 inch, and said second blade member having alternating first and second exposures along its length, said first exposure being determined by a first tangent line extending from said first cutting edge to said first skin-engaging point, and said second exposure being determined by a second tangent line extending from said first cutting edge to said second skin-engaging point.
Claim 2
Dependent Claim 255 words
A shaving implement comprising a platform member, a cap member, and blade means disposed therebetween, said platform member comprising a blade support portion, a guard portion mounted forwardly of said blade support portion, and a back portion upstanding from said blade support portion, said guard and back portions defining parallel opposite lengthwise edges of said platform member, said cap member comprising a series of fingers extending from said back portion forwardly toward said guard portion, said fingers being separated from each other by recesses therebetween, said fingers including a first skin-engaging point and said recesses being defined in part by a cap member wall comprising a second skin-engaging point, and said blade means comprising a first blade member having a first cutting edge disposed rearwardly of said guard portion, a second blade member having a second cutting edge disposed rearwardly of said first cutting edge, and spacer means for maintaining said first and second blade members in spaced parallel relationship, said first and second cutting edges each having a blade tangent angle in the range of 20°-32° and a span in the range of 0.030 to 0.080 inch, said first blade member having an exposure of 0.0015±0.0015 inch, and said second blade member having alternating first and second exposures along its length, said first exposure being determined by a first tangent line extending from said first cutting edge to said first skin-engaging point, and said second exposure being determined by a second tangent line extending from said first cutting edge to said second skin-engaging point.
Claim 3
Dependent Claim 22 words
The invention in accordance with claim 1 in which said first exposure is 0.002±0.002 inch and said second exposure is 0.004±0.002 inch.
Claim 4
Dependent Claim 27 words
The invention in accordance with claim 2 in which said forwardly extending fingers are spaced apart by at least 0.020 inch and not more than 0.080 inch.
Claim 5
Dependent Claim 26 words
The invention in accordance with claim 1 in which said platform member further includes a connector portion for detachably connecting said implement to a razor handle.
Claim 6
Dependent Claim 17 words
The invention in accordance with claim 1 in which said platform member further includes a handle portion.
Claim 7
Dependent Claim 32 words
The invention in accordance with claims 1, 4 or 5 in which said cap member and said platform member comprise an integrally molded plastic unit adapted to retain said blade means therein.

References Cited (Backward Citations)

US2654148A Cited
US2807084A Cited
US3488764A Cited
US3786563A Cited
US3863340A Cited
US3852883A Cited
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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) 1986-10-03 1987-04-04 1987-10-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1990-10-03 1991-04-04 1991-10-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1994-10-03 1995-04-04 1995-10-04 $7700.00 Window Closed / Lapsed

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