Patent US2730994A successfully refreshed from Google Patents.
US2730994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Actuator control system and valve mechanism therefor
Assignee: Motors Liquidation Co
•
Filing: 1953-02-24
•
Granted: 1956-01-17
•
Expires: 1973-02-24
Abstract
No abstract record available.
Inventors
- 👤 James W Light
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:18
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/20; F15B15/26; F15B15/261; B; B64; B64C; B64C13/00; B64C13/24; F15B15/08; F15B15/14; F15B2015/1495
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR436271A
Cited
US1258860A
Cited
US1479440A
Cited
US1847688A
Cited
US2352184A
Cited
US2552604A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |