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US2724522A
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Apparatus for elevating and tilting objects
Assignee: DOUGLAS S MANUEL
•
Filing: 1952-07-14
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Granted: 1955-11-22
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Expires: 1972-07-14
Abstract
No abstract record available.
Inventors
- 👤 Carey M Phebus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:34
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/08; B66F9/082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1297486A
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US2377389A
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US2606676A
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US2613827A
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US2652164A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-21 | 1959-05-23 | 1959-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-21 | 1963-05-23 | 1963-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-21 | 1967-05-23 | 1967-11-22 | $7700.00 | Window Closed / Lapsed |