US2701005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curb climbing wheel chair
Assignee: NAT FOUNDATION FOR INFANTILE P
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Filing: 1954-06-23
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Granted: 1955-02-01
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Expires: 1974-06-23
Abstract
No abstract record available.
Inventors
- 👤 Bennett Leon
- 👤 Tramposch Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:05
CPC Classifications
A; A61; A61G; A61G5/00; A61G5/06; Y; Y10; Y10S; Y10S280/00; Y10S280/10
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) | 1958-01-31 | 1958-08-02 | 1959-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-31 | 1962-08-02 | 1963-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-31 | 1966-08-02 | 1967-02-01 | $7700.00 | Window Closed / Lapsed |