Patent US2637523A successfully refreshed from Google Patents.
US2637523A
Expired / Lapsed
US
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Lifting jack
Assignee: Auto Specialties Manufacturing Co
•
Filing: 1950-09-14
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Granted: 1953-05-05
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Expires: 1970-09-14
Abstract
No abstract record available.
Inventors
- 👤 Millard B Lucker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:24
CPC Classifications
B; B66; B66F; B66F3/00; B66F3/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US146182A
Cited
US251415A
Cited
US1176751A
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US1424952A
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US1474428A
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DE404650C
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FR637310A
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US2043479A
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US2125493A
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US2230534A
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US2259789A
Cited
US2274794A
Cited
US2505187A
Cited
US2539897A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-04 | 1956-11-03 | 1957-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-04 | 1960-11-03 | 1961-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-04 | 1964-11-03 | 1965-05-05 | $7700.00 | Window Closed / Lapsed |