US3655528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a cutting foil or plate for shavers
Assignee: Individual
•
Filing: 1970-05-18
•
Granted: 1972-04-11
•
Expires: 1990-05-18
Abstract
Abstract A process for producing a cutting foil for dry shavers in which a bearing metal is provided on the underside thereof to minimize wear and friction between the foil and a cutter blade.
Inventors
- 👤 Bodo Futterer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:24
CPC Classifications
C; C25; C25D; C25D1/00; C25D1/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
25 words
A method as claimed in claim 1, inwhich a still harder metal is galvanoplastically applied on the surface of the metal forming the supporting layer.
References Cited (Backward Citations)
DE1160258B
Cited
US3498891A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-04-11 | 1975-10-11 | 1976-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-11 | 1979-10-11 | 1980-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-11 | 1983-10-11 | 1984-04-11 | $7700.00 | Window Closed / Lapsed |