US3500380A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Binary input torque motor
Assignee: Bell Aerospace Corp
•
Filing: 1965-10-22
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Granted: 1970-03-10
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 James M Jessee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:20
CPC Classifications
F; F15; F15B; F15B9/00; F15B9/16; F15B9/17; H; H03; H03M; H03M1/00; H03M1/12; H03M1/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2947286A
Cited
US3071714A
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US3007086A
Cited
DE1162483B
Cited
US3238522A
Cited
US3225346A
Cited
US3206160A
Cited
US3219854A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |