US2870746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Servo control for power transmission
Assignee: Vickers Inc
•
Filing: 1954-11-19
•
Granted: 1959-01-27
•
Expires: 1974-11-19
Abstract
No abstract record available.
Inventors
- 👤 Keel Adolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:19
CPC Classifications
F; F01; F01B; F01B3/00; F01B3/10; F01B3/103; F01B3/106; F04; F04B; F04B49/00; F04B49/002; F04B49/08; F15; F15B; F15B9/00; F15B9/02; F15B9/08; F15B9/10; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/42; F16H61/433
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US882887A
Cited
US1476703A
Cited
GB344037A
Cited
US2456211A
Cited
US2363179A
Cited
US2373724A
Cited
US2404512A
Cited
US2682749A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |