Patent US2955718A successfully refreshed from Google Patents.
US2955718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automobile hoists
Assignee: FRANK G CAMPBELL
•
Filing: 1957-12-03
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Granted: 1960-10-11
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Expires: 1977-12-03
Abstract
No abstract record available.
Inventors
- 👤 Kirwan Y Messick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:28
CPC Classifications
E; E04; E04H; E04H6/00; E04H6/08; E04H6/12; E04H6/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1887245A
Cited
US1905230A
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US2089047A
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US2199370A
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US2446344A
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US2698471A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |