US4184247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety razor
Assignee: Gillette Co LLC
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Filing: 1978-09-07
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Granted: 1980-01-22
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Expires: 1998-09-07
Abstract
Abstract A safety razor comprising a handle portion, a platform portion molded integrally with the handle portion, and a cap portion molded integrally with the platform portion, a hinge portion interconnecting the platform portion and the cap portion, the cap portion being adapted by flexure of the hinge portion to overlie the platform portion, the cap portion being adapted for connection to the platform portion to securely fasten the cap portion to the platform portion.
Inventors
- 👤 Norman D. Poisson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:40
CPC Classifications
B; B26; B26B; B26B21/00; B26B21/08; B26B21/14; B26B21/30
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
165 words
A safety razor comprising a handle portion, a platform portion molded integrally with said handle portion, a cap portion molded integrally with said platform portion, a hinge portion at a first end of said platform portion and a first end of said cap portion interconnecting said platform portion and said cap portion, said cap portion having first cap locking means at said first end thereof and second cap locking means at a second end thereof, said platform portion having first platform locking means at said first end thereof and second platform locking means at a second end thereof, said cap portion being adapted by flexure of said hinge portion to overlie said platform portion, said first cap locking means being engageable with said first platform locking means to securely fasten said first cap end to said first platform end, and said second cap locking means being engageable with said second platform locking means to securely fasten said second cap end to said second platform end.
Claim 2
Dependent Claim
165 words
A safety razor comprising a handle portion, a platform portion molded integrally with said handle portion, a cap portion molded integrally with said platform portion, a hinge portion at a first end of said platform portion and a first end of said cap portion interconnecting said platform portion and said cap portion, said cap portion having first cap locking means at said first end thereof and second cap locking means at a second end thereof, said platform portion having first platform locking means at said first end thereof and second platform locking means at a second end thereof, said cap portion being adapted by flexure of said hinge portion to overlie said platform portion, said first cap locking means being engageable with said first platform locking means to securely fasten said first cap end to said first platform end, and said second cap locking means being engageable with said second platform locking means to securely fasten said second cap end to said second platform end.
Claim 3
Dependent Claim
61 words
The invention according to claim 1 in which said first platform locking means comprises a lip extending outwardly from said first end of said platform portion and defining a recess thereunder, and said first cap locking means comprises a bar engageable with said recess to lock said first end of said cap portion to said first end of said platform portion.
Claim 4
Dependent Claim
27 words
The invention according to claim 2 in which said bar is provided with a curved surface engageable with said lip to guide said bar into said recess.
Claim 5
Dependent Claim
22 words
The invention according to claim 3 in which said lip is provided with a rounded edge portion engageable by said curved surface.
Claim 6
Dependent Claim
62 words
The invention according to claim 4 in which said bar is provided with first and second flat surfaces on either side respectively of said curved surface, said flat surfaces being normal to each other, said recess having first and second walls normal to each other, said flat surfaces being engageable with said walls respectively to securely anchor said bar in said recess.
Claim 7
Dependent Claim
57 words
The invention according to claim 1 in which said second platform locking means comprises an extension directed outwardly from said second end of said platform portion, and said second cap locking means comprises legs extending from said second end of said cap portion interconnected by a bridge portion to define an opening adapted to receive said extension.
Claim 8
Dependent Claim
63 words
The invention according to claim 6 in which said extension is provided with a first inclined surface and a second inclined surface defining a ridge, said first inclined surface being adapted to be engaged by said bridge portion, and upon application of pressure, to guide said bridge portion over said ridge, whereby to facilitate said bridge portion snapping onto said second inclined surface.
Claim 9
Dependent Claim
43 words
The invention according to claim 1 including projections upstanding from said platform portion and adapted to enter a central opening of a blade member, and ridge means depending from said cap portion and adapted to enter said central opening of said blade member.
Claim 10
Dependent Claim
101 words
The invention according to claim 5 in which said second platform locking means comprises an extension directed outwardly from said second end of said platform portion, said extension having a first inclined surface and a second inclined surface defining a ridge, and said second cap locking means comprises legs extending from said second end of said cap portion interconnected by a bridge portion, said first inclined surface being adapted to be engaged by said bridge portion and, upon application of pressure, to guide said bridge portion over said ridge, whereby to facilitate said bridge portion snapping onto said second inclined surface.
Claim 11
Dependent Claim
64 words
The invention according to claim 9 including projections upstanding from said platform portion and adapted to enter a central opening of a blade member when said blade member is rested on said platform portion exposed, and ridge means depending from said cap portion and adapted to enter said central opening of said blade member when said cap portion is locked to said platform portion.
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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) | 1983-01-21 | 1983-07-23 | 1984-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-01-21 | 1987-07-23 | 1988-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-01-21 | 1991-07-23 | 1992-01-22 | $7700.00 | Window Closed / Lapsed |