Patent US2926946A successfully refreshed from Google Patents.
US2926946A
Expired / Lapsed
US
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Safety latch mechanism
Assignee: American Locker Co Inc
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Filing: 1957-07-12
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Granted: 1960-03-01
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Expires: 1977-07-12
Abstract
No abstract record available.
Inventors
- 👤 Wells F Stackhouse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:46
CPC Classifications
G; G07; G07F; G07F17/00; G07F17/14; Y; Y10; Y10T; Y10T292/00; Y10T292/54; Y10T292/546; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5246; Y10T70/5296; Y10T70/5345; Y10T70/5363
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) | 1963-03-01 | 1963-08-31 | 1964-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-01 | 1967-08-31 | 1968-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-01 | 1971-08-31 | 1972-03-01 | $7700.00 | Window Closed / Lapsed |