US2432798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Servo mechanism
Assignee: Individual
•
Filing: 1943-11-24
•
Granted: 1947-12-16
•
Expires: 1963-11-24
Abstract
No abstract record available.
Inventors
- 👤 Pratt James Henry
- 👤 Girling Albert Henry Godfrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:37
CPC Classifications
F; F15; F15B; F15B1/00; F15B1/02; B; B60; B60T; B60T13/00; B60T13/10; B60T13/12; B60T13/14; B60T13/141; B60T13/148
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-15 | 1951-06-16 | 1951-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-15 | 1955-06-16 | 1955-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-15 | 1959-06-16 | 1959-12-16 | $7700.00 | Window Closed / Lapsed |