Patent US2943878A successfully refreshed from Google Patents.
US2943878A
Expired / Lapsed
US
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Locking device
Assignee: Agrafes Francaises & D Article
•
Filing: 1956-12-21
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Granted: 1960-07-05
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Expires: 1976-12-21
Abstract
No abstract record available.
Inventors
- 👤 Rigaud Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:52
CPC Classifications
E; E05; E05B; E05B85/00; E05B85/20; E05B85/24; E05B85/247; Y; Y10; Y10S; Y10S292/00; Y10S292/14; Y10S292/43; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0848; Y10T292/0911; Y10T292/0936; Y10T292/1043; Y10T292/1062; Y10T292/1075; Y10T292/1083; Y10T292/1092
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US621574A
Cited
US2151181A
Cited
US2668071A
Cited
US2677262A
Cited
US2646299A
Cited
US2749166A
Cited
GB765268A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-05 | 1964-01-04 | 1964-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-05 | 1968-01-04 | 1968-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-05 | 1972-01-04 | 1972-07-05 | $7700.00 | Window Closed / Lapsed |