Patent US2798565A successfully refreshed from Google Patents.
US2798565A
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Motorized wheel chair steered by driving
Assignee: Rosenthal AG
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Filing: 1954-12-23
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Granted: 1957-07-09
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Expires: 1974-12-23
Abstract
No abstract record available.
Inventors
- 👤 Rosenthal Harry
- 👤 George E Slaboch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:23
CPC Classifications
A; A61; A61G; A61G5/00; A61G5/04; A61G5/041; A61G5/045; A61G5/08; A61G5/0808; A61G5/0816; A61G5/0825; A61G5/10; A61G5/1054; A61G2203/00; A61G2203/10; A61G2203/14; A61G5/1005; A61G5/1013; A61G5/1018; A61G5/1032; Y; Y10; Y10S; Y10S180/00; Y10S180/907; Y10S280/00; Y10S280/10; Y10S297/00; Y10S297/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1391529A
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US2054644A
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US2181420A
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US2254331A
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US2544831A
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US2578886A
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US2495573A
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US2649309A
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US2751027A
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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) | 1960-07-08 | 1961-01-07 | 1961-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-08 | 1965-01-07 | 1965-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-08 | 1969-01-07 | 1969-07-09 | $7700.00 | Window Closed / Lapsed |