US2648972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tumbler lock with freely rotating key plug
Assignee: Yale and Towne Manufacturing Co
•
Filing: 1947-09-03
•
Granted: 1953-08-18
•
Expires: 1967-09-03
Abstract
No abstract record available.
Inventors
- 👤 Richard H Diesel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:08
CPC Classifications
E; E05; E05B; E05B29/00; E05B29/0013; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7441; Y10T70/7486; Y10T70/7508; Y10T70/7559; Y10T70/7588; Y10T70/7627; Y10T70/7633; Y10T70/7915; Y10T70/7932
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US293885A
Cited
US387523A
Cited
US1616255A
Cited
US1965889A
Cited
US2182588A
Cited
US2159291A
Cited
US2431894A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-17 | 1957-02-16 | 1957-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-17 | 1961-02-16 | 1961-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-17 | 1965-02-16 | 1965-08-18 | $7700.00 | Window Closed / Lapsed |