Patent US83469A successfully refreshed from Google Patents.
US3452884A
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US
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Assignee: Secim SA
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Filing: 1968-02-01
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Granted: 1969-07-01
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Expires: 1988-02-01
Abstract
No abstract record available.
Inventors
- 👤 Jacques Tanqueray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:45
CPC Classifications
B; B65; B65G; B65G57/00; B65G57/02; B65G57/16; B65G57/18; B65G57/183
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US956193A
Cited
US2559460A
Cited
DE1193883B
Cited
DE1183020B
Cited
US3307715A
Cited
US3347397A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |