US1479658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Facing-ring structure for cylinder locks
Assignee: Yale and Towne Manufacturing Co
•
Filing: 1922-10-30
•
Granted: 1924-01-01
•
Expires: 1942-10-30
Abstract
No abstract record available.
Inventors
- 👤 John B Freysinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:29
CPC Classifications
E; E05; E05B; E05B15/00; E05B15/02; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7441; Y10T70/7486; Y10T70/7508; Y10T70/7559; Y10T70/7667; Y10T70/7723
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1926-12-31 | 1927-07-02 | 1928-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-12-31 | 1931-07-02 | 1932-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-12-31 | 1935-07-02 | 1936-01-01 | $7700.00 | Window Closed / Lapsed |