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US2942449A
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US
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Burglar-resistant lock
Assignee: Individual
•
Filing: 1958-09-11
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Granted: 1960-06-28
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Expires: 1978-09-11
Abstract
No abstract record available.
Inventors
- 👤 White Clemens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:22
CPC Classifications
E; E05; E05B; E05B63/00; E05B63/12; E05B63/122; E05B17/00; E05B17/20; E05B17/2084; E05B17/2092; Y; Y10; Y10T; Y10T70/00; Y10T70/20; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5204; Y10T70/5212; Y10T70/70; Y10T70/7441; Y10T70/7915
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) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |