US2451334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure operated actuating device
Assignee: Individual
•
Filing: 1943-06-17
•
Granted: 1948-10-12
•
Expires: 1963-06-17
Abstract
No abstract record available.
Inventors
- 👤 Martin V Groves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:09
CPC Classifications
F; F15; F15B; F15B17/00; B; B60; B60T; B60T13/00; B60T13/10; B60T13/12; B60T13/16; B64; B64C; B64C25/00; B64C25/32; B64C25/42; B64C25/44; F15B9/00; F15B9/02; F15B9/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1848923A
Cited
US1582118A
Cited
US1679762A
Cited
US1831737A
Cited
FR668388A
Cited
US2012861A
Cited
US2064379A
Cited
FR747273A
Cited
US2136318A
Cited
FR777932A
Cited
US2185449A
Cited
US2389274A
Cited
US2331238A
Cited
US2345531A
Cited
US2380705A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-12 | 1952-04-12 | 1952-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-12 | 1956-04-12 | 1956-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-12 | 1960-04-12 | 1960-10-12 | $7700.00 | Window Closed / Lapsed |