Patent US4554735A successfully refreshed from Google Patents.
US4554735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
One-piece disposable razor
Assignee: Warner Lambert Co LLC
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Filing: 1984-05-04
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Granted: 1985-11-26
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Expires: 2004-05-04
Abstract
Abstract A one-piece plastic disposable razor having structure which insures safe and efficient blade geometry while lending itself to high-speed mass production methods.
Inventors
- 👤 Evan N. Chen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:01
CPC Classifications
B; B26; B26B; B26B21/00; B26B21/02; B26B21/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
209 words
A disposable one-piece plastic razor comprising: two basic plastic elements, one of said elements defining a handle, the other of said elements defining a cap, hinge means connecting both elements to facilitate relative rotation of said elements from a first or open position to a second or closed position and latch means for retaining the elements in the closed position with a single blade having a single cutting edge fixed to the cap and sandwiched therebetween, said hinge means having an axis parallel to said cutting edge, said handle being formed with a pair of spaced support elements having coplanar surfaces for supporting the blade and fixing the degree of relative rotation of said elements, said latch means defining a pair of claws formed integrally with said cap and a mating pair of slots formed in said spaced support elements, said claws being operative to engage said slots in said closed position, said latch means further defining a pair of lugs depending from the cap cooperating with a pair of mating notches formed in the spaced support elements operative to align the cap and thus the blade edge relative to the handle and to fix and retain the desired degree of relative rotation between the cap and the handle.
Claim 2
Dependent Claim
209 words
A disposable one-piece plastic razor comprising: two basic plastic elements, one of said elements defining a handle, the other of said elements defining a cap, hinge means connecting both elements to facilitate relative rotation of said elements from a first or open position to a second or closed position and latch means for retaining the elements in the closed position with a single blade having a single cutting edge fixed to the cap and sandwiched therebetween, said hinge means having an axis parallel to said cutting edge, said handle being formed with a pair of spaced support elements having coplanar surfaces for supporting the blade and fixing the degree of relative rotation of said elements, said latch means defining a pair of claws formed integrally with said cap and a mating pair of slots formed in said spaced support elements, said claws being operative to engage said slots in said closed position, said latch means further defining a pair of lugs depending from the cap cooperating with a pair of mating notches formed in the spaced support elements operative to align the cap and thus the blade edge relative to the handle and to fix and retain the desired degree of relative rotation between the cap and the handle.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-11-25 | 1989-05-27 | 1989-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-11-25 | 1993-05-27 | 1993-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-11-25 | 1997-05-27 | 1997-11-26 | $7700.00 | Window Closed / Lapsed |