US2512814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door lock
Assignee: WEISER Co
•
Filing: 1948-04-05
•
Granted: 1950-06-27
•
Expires: 1968-04-05
Abstract
No abstract record available.
Inventors
- 👤 George B Solovieff
- 👤 Fred J Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:55
CPC Classifications
E; E05; E05C; E05C1/00; E05C1/08; E05C1/12; E05C1/16; E05C1/163; Y; Y10; Y10T; Y10T292/00; Y10T292/96
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1387888A
Cited
US2382291A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-26 | 1953-12-26 | 1954-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-26 | 1957-12-26 | 1958-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-26 | 1961-12-26 | 1962-06-27 | $7700.00 | Window Closed / Lapsed |