Patent US2793768A successfully refreshed from Google Patents.
US2793768A
Expired / Lapsed
US
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Motor vehicle hoisting apparatus for invalids
Assignee: O & B Dev Co
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Filing: 1955-10-26
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Granted: 1957-05-28
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Expires: 1975-10-26
Abstract
No abstract record available.
Inventors
- 👤 Norbert N Schaedler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:46
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/48; A; A61; A61G; A61G3/00; A61G3/02; A61G3/06; A61G3/062; Y; Y10; Y10S; Y10S414/00; Y10S414/134
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-27 | 1960-11-26 | 1961-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-27 | 1964-11-26 | 1965-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-27 | 1968-11-26 | 1969-05-28 | $7700.00 | Window Closed / Lapsed |