Patent US5522131A successfully refreshed from Google Patents.
Patent US5188540A successfully refreshed from Google Patents.
Patent US2911714A successfully refreshed from Google Patents.
US2911714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety razor with blade locking means for receiving blades from a magazine
Assignee: Eversharp Inc
•
Filing: 1954-04-26
•
Granted: 1959-11-10
•
Expires: 1974-04-26
Abstract
No abstract record available.
Inventors
- 👤 Carl G Preis
- 👤 Kuhnl Leopold Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:52
CPC Classifications
B; B26; B26B; B26B21/00; B26B21/08; B26B21/14; B26B21/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US967500A
Cited
US1047617A
Cited
US1823976A
Cited
US1848078A
Cited
US1886520A
Cited
US2141474A
Cited
US2138353A
Cited
US2132798A
Cited
US2205568A
Cited
US2701910A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |