Patent US2924480A successfully refreshed from Google Patents.
US2924480A
Expired / Lapsed
US
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Mortise lock
Assignee: Yale and Towne Manufacturing Co
•
Filing: 1956-08-21
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Granted: 1960-02-09
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Expires: 1976-08-21
Abstract
No abstract record available.
Inventors
- 👤 Glen A Holland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:20
CPC Classifications
E; E05; E05B; E05B63/00; E05B63/08; Y; Y10; Y10T; Y10T292/00; Y10T292/57; Y10T292/88; Y10T292/91
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) | 1963-02-08 | 1963-08-10 | 1964-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-08 | 1967-08-10 | 1968-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-08 | 1971-08-10 | 1972-02-09 | $7700.00 | Window Closed / Lapsed |