Patent US6405020B1 successfully refreshed from Google Patents.
US2609178A
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US
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Lifting jack
Assignee: Motors Liquidation Co
•
Filing: 1946-06-10
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Granted: 1952-09-02
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Expires: 1966-06-10
Abstract
No abstract record available.
Inventors
- 👤 Godfrey G Kearful
- 👤 Joseph J Verbrugge
- 👤 Ralph A Malone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:27
CPC Classifications
B; B66; B66F; B66F3/00; B66F3/08; Y; Y10; Y10S; Y10S254/00; Y10S254/01; Y10S254/03; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/20732; Y10T74/20744; Y10T74/20756
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US515317A
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US1304460A
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AT20617B
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US796204A
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US1272589A
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FR577304A
Cited
US1565805A
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US2043479A
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US2125493A
Cited
US2212051A
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US2400235A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-02 | 1956-03-03 | 1956-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-02 | 1960-03-03 | 1960-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-02 | 1964-03-03 | 1964-09-02 | $7700.00 | Window Closed / Lapsed |