US2938738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined hand rim and wheel rim for wheel chairs
Assignee: Everest and Jennings Inc
•
Filing: 1958-12-08
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Granted: 1960-05-31
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Expires: 1978-12-08
Abstract
No abstract record available.
Inventors
- 👤 Rue Donald G La
- 👤 Herbert H Borup
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:01
CPC Classifications
B; B60; B60B; B60B21/00; B60B21/02; A; A61; A61G; A61G5/00; A61G5/02; A61G5/028; A61G5/10; B21; B21D; B21D53/00; B21D53/26; B21D53/268; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20732; Y10T74/20834
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) | 1963-05-31 | 1963-11-30 | 1964-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-31 | 1967-11-30 | 1968-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-31 | 1971-11-30 | 1972-05-31 | $7700.00 | Window Closed / Lapsed |