US2956644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable vehicle lift
Assignee: Dover Corp
•
Filing: 1958-02-04
•
Granted: 1960-10-18
•
Expires: 1978-02-04
Abstract
No abstract record available.
Inventors
- 👤 Richard W Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:43
CPC Classifications
B; B66; B66F; B66F7/00; B66F7/10; B66F7/16; B66F7/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US232790A
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US493111A
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GB189907299A
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US1121698A
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US1630870A
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US2201189A
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US2503738A
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US2594531A
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US2608381A
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US2684129A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |