US2601760A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Servomotor control
Assignee: Individual
•
Filing: 1951-05-23
•
Granted: 1952-07-01
•
Expires: 1971-05-23
Abstract
No abstract record available.
Inventors
- 👤 Swartz Louis
- 👤 Minor I Hughes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:40
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/08; F15B2211/00; F15B2211/20; F15B2211/205; F15B2211/2053; F15B2211/20546; F15B2211/20553; F15B2211/20561; F15B2211/255; F15B2211/40; F15B2211/405; F15B2211/42; F15B2211/421; F15B2211/423; F15B2211/424; F15B2211/70; F15B2211/705; F15B2211/7058; F15B2211/765; F15B2211/7653
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-01 | 1955-12-31 | 1956-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-01 | 1959-12-31 | 1960-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-01 | 1963-12-31 | 1964-07-01 | $7700.00 | Window Closed / Lapsed |