US2494183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for hydraulically actuated valves and the like
Assignee: Individual
•
Filing: 1946-07-06
•
Granted: 1950-01-10
•
Expires: 1966-07-06
Abstract
No abstract record available.
Inventors
- 👤 John W Lincoln
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:42
CPC Classifications
F; F01; F01L; F01L9/00; F01L9/10; F01L9/11; F01L9/12; F01L9/14; E; E21; E21B; E21B34/00; F01L1/00; F01L1/12; F01L1/14; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86389; Y10T137/86405
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE261029C
Cited
US211142A
Cited
US1080733A
Cited
US1132095A
Cited
US1131480A
Cited
US2113936A
Cited
US2424328A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-09 | 1953-07-11 | 1954-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-09 | 1957-07-11 | 1958-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-09 | 1961-07-11 | 1962-01-10 | $7700.00 | Window Closed / Lapsed |