US3381936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic system and remotely operated flow control arrangement therein
Assignee: Fawick Corp
•
Filing: 1965-02-18
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Granted: 1968-05-07
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Expires: 1985-02-18
Abstract
No abstract record available.
Inventors
- 👤 John D Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:27
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/4035; F15; F15B; F15B21/00; F15B21/08; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3125110A
Cited
US2402280A
Cited
GB658161A
Cited
US2789576A
Cited
US2859762A
Cited
US3137475A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |