US2946613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door lock
Assignee: Individual
•
Filing: 1956-05-31
•
Granted: 1960-07-26
•
Expires: 1976-05-31
Abstract
No abstract record available.
Inventors
- 👤 John H Roethel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:19
CPC Classifications
E; E05; E05B; E05B85/00; E05B85/20; E05B85/24; Y; Y10; Y10S; Y10S292/00; Y10S292/24; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1062
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1621497A
Cited
US1771737A
Cited
US2231075A
Cited
US2173765A
Cited
US2582237A
Cited
US2674483A
Cited
US2644707A
Cited
US2665160A
Cited
US2683050A
Cited
US2629621A
Cited
US2716569A
Cited
US2679420A
Cited
US2758964A
Cited
US2723146A
Cited
US2804331A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |