US2427871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure servomotor with follow-up device
Assignee: International Motors LLC
•
Filing: 1942-11-21
•
Granted: 1947-09-23
•
Expires: 1962-11-21
Abstract
No abstract record available.
Inventors
- 👤 Carl W Mott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:39
CPC Classifications
F; F15; F15B; F15B9/00; F15B9/02; F15B9/08; Y; Y10; Y10S; Y10S56/00; Y10S56/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-09-22 | 1951-03-24 | 1951-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-09-22 | 1955-03-24 | 1955-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-09-22 | 1959-03-24 | 1959-09-23 | $7700.00 | Window Closed / Lapsed |