US3972114A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-cleaning mechanism for twin blade razors
Assignee: Individual
•
Filing: 1975-03-12
•
Granted: 1976-08-03
•
Expires: 1995-03-12
Abstract
Abstract A self-cleaning mechanism arranged between the blades of a twin blade razor, whereby after use, the area between the blades which fill with human hair and soap, can be made clean and free of debris by the movement of the cleaning mechanism with a persons fingers.
Inventors
- 👤 Albert Chao
- 👤 Frank Fantigrossi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:32
CPC Classifications
B; B26; B26B; B26B21/00; B26B21/40; B26B21/4062
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
83 words
In a razor blade system comprising a blade case having a bottom support and a top cap, further comprising a pair of razor blades with cutting edges on the forward edges thereof and mounted between the support and the cap, the improvement comprising: a blade system cleaning mechanism; said cleaning mechanism being slidably mounted between said blades in said case; means connected to the cleaning mechanism to impart manual reciprocatory motion to the cleaning mechanism in a direction parallel to the blade edges.
Claim 2
Dependent Claim
83 words
In a razor blade system comprising a blade case having a bottom support and a top cap, further comprising a pair of razor blades with cutting edges on the forward edges thereof and mounted between the support and the cap, the improvement comprising: a blade system cleaning mechanism; said cleaning mechanism being slidably mounted between said blades in said case; means connected to the cleaning mechanism to impart manual reciprocatory motion to the cleaning mechanism in a direction parallel to the blade edges.
Claim 3
Dependent Claim
28 words
The system of claim 1 wherein post means on the case are mounted to extend through slots in the cleaning mechanism and together guide the mechanism for reciprocation.
Claim 4
Dependent Claim
23 words
The system of claim 1 wherein laterally disposed limiting means are mounted on the case to limit the reciprocation of the cleaning mechanism.
Claim 5
Dependent Claim
30 words
The system of claim 1 wherein said cleaning mechanism has a front edge adjacent the blade edges and said front edge is comprised of a plurality of forwardly extending teeth.
Claim 6
Dependent Claim
14 words
The system of claim 1 wherein the reciprocating means includes two laterally extending protrusions.
Claim 7
Dependent Claim
31 words
The system of claim 1 wherein blade spacer means are formed from the bottom blade and extend upwardly to a position slightly higher than the top surface of the cleaning mechanism.
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) | 1979-08-03 | 1980-02-02 | 1980-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-03 | 1984-02-02 | 1984-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-03 | 1988-02-02 | 1988-08-03 | $7700.00 | Window Closed / Lapsed |