US3398934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cargo winch system
Assignee: Boeing Co
•
Filing: 1966-06-20
•
Granted: 1968-08-27
•
Expires: 1986-06-20
Abstract
No abstract record available.
Inventors
- 👤 Lancashire Thomas
- 👤 Cunliffe Dennis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:22
CPC Classifications
B; B64; B64D; B64D1/00; B64D1/22; B66; B66D; B66D1/00; B66D1/28; B66D1/40; B66D1/48; B66D2700/00; B66D2700/01; B66D2700/0108
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE22212E
Cited
US886287A
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US2295537A
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US2358096A
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US2410451A
Cited
US2481280A
Cited
US2468652A
Cited
US2778611A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-27 | 1972-02-26 | 1972-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-27 | 1976-02-26 | 1976-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-27 | 1980-02-26 | 1980-08-27 | $7700.00 | Window Closed / Lapsed |