US3478802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety device for an unlosable shaft
Assignee: NORD AVIAT SOC NATIONALE DE CO
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Filing: 1968-05-16
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Granted: 1969-11-18
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Expires: 1988-05-16
Abstract
No abstract record available.
Inventors
- 👤 Jacques Poccard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:30
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B21/00; F16B21/10; F16B21/12; F16B21/125; F16B39/02; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/97; Y10S411/974; Y10S411/999
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) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |