US2770975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Servo mechanisms
Assignee: Unilever PLC
•
Filing: 1954-11-08
•
Granted: 1956-11-20
•
Expires: 1974-11-08
Abstract
No abstract record available.
Inventors
- 👤 Galley Gordon William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:09
CPC Classifications
F; F16; F16H; F16H53/00; F16H53/02; F16H53/04; H; H01; H01H; H01H43/00; H01H43/02; H01H43/04; H01H43/06; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18856; Y10T74/21; Y10T74/2101; Y10T74/2102; Y10T74/2105
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2315171A
Cited
US2484331A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-20 | 1960-05-21 | 1960-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-20 | 1964-05-21 | 1964-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-20 | 1968-05-21 | 1968-11-20 | $7700.00 | Window Closed / Lapsed |