US2882710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Key with ejector means
Assignee: Individual
•
Filing: 1955-08-26
•
Granted: 1959-04-21
•
Expires: 1975-08-26
Abstract
No abstract record available.
Inventors
- 👤 Hans H Furn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:16
CPC Classifications
E; E05; E05B; E05B63/00; E05B63/003; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7441; Y10T70/778; Y10T70/7791; Y10T70/791
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1974953A
Cited
US2271048A
Cited
US2488240A
Cited
US2498288A
Cited
US2514940A
Cited
US2587037A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |