US2823725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking devices
Assignee: Individual
•
Filing: 1957-06-04
•
Granted: 1958-02-18
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Expires: 1977-06-04
Abstract
No abstract record available.
Inventors
- 👤 Trinca Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:46
CPC Classifications
B; B60; B60R; B60R25/00; B60R25/01; B60R25/09; B60R25/096; B60C; B60C29/00; B60C29/06; Y; Y10; Y10S; Y10S411/00; Y10S411/919; Y10T; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5854; Y10T70/5863; Y10T70/70; Y10T70/7441; Y10T70/778; Y10T70/7791; Y10T70/7842; Y10T70/7847; Y10T70/7853
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) | 1961-02-17 | 1961-08-19 | 1962-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-17 | 1965-08-19 | 1966-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-17 | 1969-08-19 | 1970-02-18 | $7700.00 | Window Closed / Lapsed |