Patent US3386343A successfully refreshed from Google Patents.
US3386343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamically constantly variable gain servocontrol system
Assignee: Bell Aerospace Corp
•
Filing: 1965-08-20
•
Granted: 1968-06-04
•
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
2026-11-08 10:40
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2172315A
Cited
US2681044A
Cited
US2789543A
Cited
US2995116A
Cited
US2989950A
Cited
US3017864A
Cited
US2996072A
Cited
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 |