US2654568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic jack
Assignee: Individual
•
Filing: 1949-03-11
•
Granted: 1953-10-06
•
Expires: 1969-03-11
Abstract
No abstract record available.
Inventors
- 👤 William S Pine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:53
CPC Classifications
B; B66; B66F; B66F3/00; B66F3/24; B66F3/25; B66F3/42; E; E21; E21D; E21D15/00; E21D15/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1225906A
Cited
US1487940A
Cited
US1590848A
Cited
US1626158A
Cited
US1920285A
Cited
US2119440A
Cited
US2412414A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-05 | 1957-04-06 | 1957-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-05 | 1961-04-06 | 1961-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-05 | 1965-04-06 | 1965-10-06 | $7700.00 | Window Closed / Lapsed |