Patent US4897295A successfully refreshed from Google Patents.
Patent US2860607A successfully refreshed from Google Patents.
US2860607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Servo-motor systems
Assignee: British Messier Ltd
•
Filing: 1956-05-23
•
Granted: 1958-11-18
•
Expires: 1976-05-23
Abstract
No abstract record available.
Inventors
- 👤 Orloff George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:01
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/01; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544; Y10T137/2554
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2127877A
Cited
US2132953A
Cited
US2403391A
Cited
US2483312A
Cited
US2648346A
Cited
US2738772A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-17 | 1962-05-19 | 1962-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-17 | 1966-05-19 | 1966-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-17 | 1970-05-19 | 1970-11-18 | $7700.00 | Window Closed / Lapsed |