US3064744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-propelled wheel chair
Assignee: Everest and Jennings Inc
•
Filing: 1960-07-11
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Granted: 1962-11-20
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Expires: 1980-07-11
Abstract
No abstract record available.
Inventors
- 👤 Harry C Jennings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:49
CPC Classifications
A; A61; A61G; A61G5/00; A61G5/04; A61G5/041; A61G5/045; A61G5/10; A61G5/1054; A61G5/12; A61G5/125; A61G7/00; A61G7/05; A61G7/0528; B; B60; B60K; B60K1/00; A61G2203/00; A61G2203/10; A61G2203/14; Y; Y10; Y10S; Y10S180/00; Y10S180/907
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US641514A
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US2272981A
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US2474085A
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US2567065A
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US2456088A
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US2592449A
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US2862569A
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US2798565A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |