US2930219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking device
Assignee: Individual
•
Filing: 1957-06-06
•
Granted: 1960-03-29
•
Expires: 1977-06-06
Abstract
No abstract record available.
Inventors
- 👤 John F Fansmith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:54
CPC Classifications
E; E05; E05B; E05B67/00; E05B67/38; E05B67/383; E05B17/00; E05B17/14; E05B17/142; E05B35/00; E05B35/08; Y; Y10; Y10T; Y10T70/00; Y10T70/40; Y10T70/413; Y10T70/487; Y10T70/493; Y10T70/70; Y10T70/7441; Y10T70/7915; Y10T70/7955; Y10T70/7977; Y10T70/7983
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US596050A
Cited
US605720A
Cited
US1333874A
Cited
AT38855B
Cited
US1004758A
Cited
US1078156A
Cited
GB110805A
Cited
US1917973A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |