Patent US2546387A successfully refreshed from Google Patents.
US2546387A
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Detachable handle lock
Assignee: Individual
•
Filing: 1947-03-12
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Granted: 1951-03-27
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Expires: 1967-03-12
Abstract
No abstract record available.
Inventors
- 👤 Fredrick W Coffing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:40
CPC Classifications
F; F16; F16B; F16B7/00; F16B7/04; F16B7/0406; F16B7/0413; F16B7/042; G; G05; G05G; G05G5/00; G05G5/06; G05G2700/00; G05G2700/04; G05G2700/08; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17761; Y10T279/17786; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-26 | 1954-09-25 | 1955-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-26 | 1958-09-25 | 1959-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-26 | 1962-09-25 | 1963-03-27 | $7700.00 | Window Closed / Lapsed |