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Patent US2780087A successfully refreshed from Google Patents.
US2780087A
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Combination resetting guard for combination padlocks
Assignee: Sargent and Greenleaf Inc
•
Filing: 1954-04-16
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Granted: 1957-02-05
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Expires: 1974-04-16
Abstract
No abstract record available.
Inventors
- 👤 Harry C Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:37
CPC Classifications
E; E05; E05B; E05B37/00; E05B37/08; E05B37/10; Y; Y10; Y10T; Y10T70/00; Y10T70/40; Y10T70/413; Y10T70/487; Y10T70/70; Y10T70/7153; Y10T70/735; Y10T70/7356; Y10T70/7424; Y10T70/7441; Y10T70/7915; Y10T70/7955; Y10T70/7966
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2573189A
Cited
US2673457A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-05 | 1960-08-06 | 1961-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-05 | 1964-08-06 | 1965-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-05 | 1968-08-06 | 1969-02-05 | $7700.00 | Window Closed / Lapsed |