US3386343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamically constantly variable gain servocontrol system
Assignee: Bell Aerospace Corp
•
Filing: 1965-08-20
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Granted: 1968-06-04
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Expires: 1985-08-20
Abstract
No abstract record available.
Inventors
- 👤 Samuel A Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:52
CPC Classifications
F; F15; F15B; F15B9/00; F15B9/02; F15B9/06; G; G05; G05D; G05D16/00; G05D16/14; G05D16/18; G05D7/00; G05D7/03; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2322; Y10T137/2409
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2172315A
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US2681044A
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US2789543A
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US2995116A
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US2989950A
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US3017864A
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US2996072A
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US3101031A
Cited
US3137309A
Cited
US3282283A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |