US2461132A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure unit
Assignee: Urschel Engineering Co
•
Filing: 1946-12-07
•
Granted: 1949-02-08
•
Expires: 1966-12-07
Abstract
No abstract record available.
Inventors
- 👤 Bertis H Urschel
- 👤 Lorin H Janzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:44
CPC Classifications
F; F16; F16J; F16J10/00; F16J10/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49936; Y10T29/49945
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1332888A
Cited
US2414492A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-08 | 1952-08-09 | 1953-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-08 | 1956-08-09 | 1957-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-08 | 1960-08-09 | 1961-02-08 | $7700.00 | Window Closed / Lapsed |