US2901888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-piston servo-motor
Assignee: International Motors LLC
•
Filing: 1957-09-20
•
Granted: 1959-09-01
•
Expires: 1977-09-20
Abstract
No abstract record available.
Inventors
- 👤 John F Swift
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:39
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/14; F16D65/16; F16D65/22; F15; F15B; F15B11/00; F15B11/02; F15B11/028; F15B11/036; F15B11/0365; F16D25/00; F16D25/12; F16D25/14; F16D48/00; F16D48/02; F16D48/04; F16D49/00; F16D49/08; F16D49/12; F15B2211/00; F15B2211/70; F15B2211/705; F15B2211/7051; F15B2211/7055; F15B2211/7056; F15B2211/77; F15B2211/7716; F16D2048/0212
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US285883A
Cited
US825866A
Cited
US1994974A
Cited
US2374011A
Cited
US2394655A
Cited
US2568228A
Cited
US2667035A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |