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US3772779A Expired / Lapsed US ⏱️ 0.0 years remaining

Safety razor

Assignee: Gillette Co LLC
•
Filing: 1971-07-19
•
Granted: 1973-11-20
•
Expires: 1991-07-19
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Abstract

Abstract A safety razor including a head portion having guard means and a platform for supporting a razor blade. The razor further includes a handle portion connected to the head portion and having means disposed thereon for adjusting the position of the platform relative to the guard means, means proximate to the adjusting means for opening and closing the razor, and means for causing vibration of the head portion.

Inventors

  • 👤 P Douglass
  • 👤 J Koehler

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 07:59
CPC Classifications
B; B26; B26B; B26B21/00; B26B21/08; B26B21/14; B26B21/38

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 100 words
A razor comprising a head portion, guard means disposed in said head portion, platform means disposed in said head portion for supporting razor blade means thereon, a handle portion connected at one end to said head portion, means disposed on said handle portion and substantially adjacent said head portion for adjusting the position of said platform means and thereby a blade means supported thereon relative to said guard means, means associated with said handle portion and proximate to said adjusting means for opening and closing said razor, and means disposed in said handle for causing vibration of said head portion.
Claim 2
Dependent Claim 100 words
A razor comprising a head portion, guard means disposed in said head portion, platform means disposed in said head portion for supporting razor blade means thereon, a handle portion connected at one end to said head portion, means disposed on said handle portion and substantially adjacent said head portion for adjusting the position of said platform means and thereby a blade means supported thereon relative to said guard means, means associated with said handle portion and proximate to said adjusting means for opening and closing said razor, and means disposed in said handle for causing vibration of said head portion.
Claim 3
Dependent Claim 50 words
The invention according to claim 1 wherein said vibration causing means comprises a motor, a shaft extending from said motor towards said head portion, and a weight eccentrically mounted on the free end of said shaft, whereby rotation of said weight by said motor causes vibration of said head portion.

References Cited (Backward Citations)

US1824779A Cited
US2054287A Cited
US2048560A Cited
US2597653A Cited
US3038254A Cited
US3169314A Cited
US3636627A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-11-19 1977-05-21 1977-11-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-11-19 1981-05-21 1981-11-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-11-19 1985-05-21 1985-11-20 $7700.00 Window Closed / Lapsed

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