US2524850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid motor and lubricating means therefor
Assignee: MERIT ENGINEERING Inc
•
Filing: 1944-01-14
•
Granted: 1950-10-10
•
Expires: 1964-01-14
Abstract
No abstract record available.
Inventors
- 👤 Stevenson Robert
- 👤 Alexander W Keema
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:17
CPC Classifications
F; F15; F15B; F15B7/00; F15B7/06; F15B7/08; F15B7/005; F15B7/008; F15B15/00; F15B15/08; F15B15/14; F15B2015/1495
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US154248A
Cited
US1932916A
Cited
US1828965A
Cited
US1951032A
Cited
GB470099A
Cited
US2243385A
Cited
US2286661A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |