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US2608382A
Expired / Lapsed
US
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Lifting jack
Assignee: Individual
•
Filing: 1948-04-27
•
Granted: 1952-08-26
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Expires: 1968-04-27
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Palka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:21
CPC Classifications
B; B66; B66F; B66F3/00; B66F3/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1134581A
Cited
US1424952A
Cited
DE404650C
Cited
FR637310A
Cited
US1812967A
Cited
US2043479A
Cited
US2458961A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-26 | 1956-02-25 | 1956-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-26 | 1960-02-25 | 1960-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-26 | 1964-02-25 | 1964-08-26 | $7700.00 | Window Closed / Lapsed |