US2490284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic jack
Assignee: Individual
•
Filing: 1945-09-04
•
Granted: 1949-12-06
•
Expires: 1965-09-04
Abstract
No abstract record available.
Inventors
- 👤 Simart Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:22
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/02; B25B27/026; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53796; Y10T29/5383
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2064445A
Cited
US1120968A
Cited
US1510162A
Cited
US2049335A
Cited
US2072088A
Cited
US2091876A
Cited
US2170029A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-05 | 1953-06-06 | 1953-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-05 | 1957-06-06 | 1957-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-05 | 1961-06-06 | 1961-12-06 | $7700.00 | Window Closed / Lapsed |