Patent US4590674A successfully refreshed from Google Patents.
US4590674A
Expired / Lapsed
US
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Shaving implement having adjustable annular blades
Assignee: Individual
•
Filing: 1984-12-19
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Granted: 1986-05-27
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Expires: 2004-12-19
Abstract
Abstract A disposable razor which includes one or more annular blades positioned between a pair of rotatable plates in which the position of the blades can be adjusted by the razor user.
Inventors
- 👤 Frederick R. Harper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:29
CPC Classifications
B; B26; B26B; B26B21/00; B26B21/08; B26B21/14; B26B21/20; B26B21/54; B26B21/56
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
56 words
A shaving implement comprising a handle terminating in a head, a planar face-contacting plate member rotatably secured to said head, a first annular blade positioned between said head and said planar face-contacting plate member, and means connecting said blade to said planar face-contacting plate member wherein the blade is rotatable in conjunction with the plate member.
Claim 2
Dependent Claim
56 words
A shaving implement comprising a handle terminating in a head, a planar face-contacting plate member rotatably secured to said head, a first annular blade positioned between said head and said planar face-contacting plate member, and means connecting said blade to said planar face-contacting plate member wherein the blade is rotatable in conjunction with the plate member.
Claim 3
Dependent Claim
20 words
The shaving implement of claim 1 and a second annular blade positioned between said first mentioned blade and said head.
Claim 4
Dependent Claim
33 words
The shaving implement of claim 2 and a second plate member positioned between said second blade and said head, and means for connecting said planar face-contacting plate member to said second plate member.
Claim 5
Dependent Claim
62 words
The shaving implement of claim 3 wherein said blades and plate member include a central keyhole, said head including a bore therethrough aligned with each said keyhole, said plate member including a shaft extending through each said keyhole and said head bore, and a securement means fixed to an end of said shaft for securing said plates and blades to said head.
Claim 6
Dependent Claim
53 words
The shaving implement of claim 4 wherein each said keyhole includes a slot extending outwardly of the keyhole, said shaft including a key adapted for extension through each said slot, said securement means fixedly connected to said shaft end and allowing rotation thereof wherein said blades and plates are rotated about said shaft.
Claim 7
Dependent Claim
29 words
The shaving implement of claim 4 and biasing means positioned between said securement means and said head for tightly securing said plates and blades to the head during shaving.
References Cited (Backward Citations)
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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) | 1989-05-26 | 1989-11-25 | 1990-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-05-26 | 1993-11-25 | 1994-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-05-26 | 1997-11-25 | 1998-05-27 | $7700.00 | Window Closed / Lapsed |