Patent US2949978A successfully refreshed from Google Patents.
US2949978A
Expired / Lapsed
US
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Vehicle lifting apparatus
Assignee: Individual
•
Filing: 1958-12-19
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Granted: 1960-08-23
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Expires: 1978-12-19
Abstract
No abstract record available.
Inventors
- 👤 John H Halstead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:52
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)
BE497847A
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US2593635A
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US2659455A
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US2612355A
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AT182213B
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US2904132A
Cited
FR1143700A
Cited
US2899020A
Cited
US2777538A
Cited
US2878897A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |