Patent US1437832A successfully refreshed from Google Patents.
US1437832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of loading pin-tumbler locks and tool therefor
Assignee: C Cowles and Co
•
Filing: 1921-10-03
•
Granted: 1922-12-05
•
Expires: 1941-10-03
Abstract
No abstract record available.
Inventors
- 👤 Jr John S Bradley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:58
CPC Classifications
E; E05; E05B; E05B17/00; E05B17/0004; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49895; Y10T29/53; Y10T29/53457
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) | 1925-12-04 | 1926-06-05 | 1926-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-12-04 | 1930-06-05 | 1930-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-12-04 | 1934-06-05 | 1934-12-05 | $7700.00 | Window Closed / Lapsed |