US2459786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic pressure pump or motor
Assignee: Individual
•
Filing: 1945-03-12
•
Granted: 1949-01-25
•
Expires: 1965-03-12
Abstract
No abstract record available.
Inventors
- 👤 Beaman Bernard
- 👤 Hulman Julius
- 👤 Robert A Stein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:44
CPC Classifications
F; F01; F01B; F01B3/00; F01B3/0032; F01B3/0044; F01B3/0052; F01B3/0064; F01B3/007; F01B3/0073; F01B3/0082; F01B3/0085; F02; F02G; F02G2270/00; F02G2270/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1925378A
Cited
US1945391A
Cited
US2161143A
Cited
US2299235A
Cited
US2300009A
Cited
US2331694A
Cited
US2337821A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-25 | 1952-07-26 | 1953-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-25 | 1956-07-26 | 1957-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-25 | 1960-07-26 | 1961-01-25 | $7700.00 | Window Closed / Lapsed |