Patent US3485140A successfully refreshed from Google Patents.
US3485140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
All-hydraulic control system responsive to electrical command signals
Assignee: General Electric Co
•
Filing: 1966-10-06
•
Granted: 1969-12-23
•
Expires: 1986-10-06
Abstract
No abstract record available.
Inventors
- 👤 John R Granan
- 👤 Robert C Kumpitsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:42
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/02; F15C1/04; F15B; F15B9/00; F15B9/16; F15B9/17; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/218; Y10T137/2191
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3071154A
Cited
US3081787A
Cited
US3258685A
Cited
US3282283A
Cited
US3263695A
Cited
US3266514A
Cited
US3348773A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |