Patent US2959212A successfully refreshed from Google Patents.
US2959212A
Expired / Lapsed
US
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Seat tube guide for folding wheel chairs
Assignee: GENDRON WHEEL CO
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Filing: 1958-07-14
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Granted: 1960-11-08
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Expires: 1978-07-14
Abstract
No abstract record available.
Inventors
- 👤 Lester L Bauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:35
CPC Classifications
A; A61; A61G; A61G5/00; A61G5/08; A61G5/0808; A61G5/0816; Y; Y10; Y10S; Y10S297/00; Y10S297/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2181420A
Cited
US2546929A
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US2716441A
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US2757051A
Cited
US2810429A
Cited
US2859800A
Cited
US2847062A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |