Patent US4816778A successfully refreshed from Google Patents.
Patent US2729888A successfully refreshed from Google Patents.
US2729888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety razors
Assignee: Individual
•
Filing: 1953-06-30
•
Granted: 1956-01-10
•
Expires: 1973-06-30
Abstract
No abstract record available.
Inventors
- 👤 John B O'shea
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:59
CPC Classifications
B; B26; B26B; B26B21/00; B26B21/08; B26B21/14; B26B21/30; B26B21/32
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |