US1583686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Permutation wheel for keyless locks
Assignee: W H KEYLESS LOCK Co Ltd
•
Filing: 1924-04-22
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Granted: 1926-05-04
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Expires: 1944-04-22
Abstract
No abstract record available.
Inventors
- 👤 Hatch Alexander Gilchrist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:22
CPC Classifications
E; E05; E05B; E05B37/00; E05B37/02; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7153; Y10T70/7181; Y10T70/7198; Y10T70/7237; Y10T70/726; Y10T70/7305; Y10T70/7322; Y10T70/7328; Y10T70/735; Y10T70/7367
Claims Analysis
Total Claims: 0
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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) | 1929-05-03 | 1929-11-02 | 1930-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-05-03 | 1933-11-02 | 1934-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-05-03 | 1937-11-02 | 1938-05-04 | $7700.00 | Window Closed / Lapsed |