US2859800A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sliding connection between seat rails and legs of collapsible wheel chairs
Assignee: Individual
•
Filing: 1956-11-05
•
Granted: 1958-11-11
•
Expires: 1976-11-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry C Jennings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:54
CPC Classifications
A; A61; A61G; A61G5/00; A61G5/08; A61G5/0808; A61G5/0816; A61G5/0825; Y; Y10; Y10S; Y10S297/00; Y10S297/04; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/32024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1302757A
Cited
AU1515333A
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US2104255A
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US2486015A
Cited
US2608240A
Cited
US2609864A
Cited
US2762422A
Cited
FR1110516A
Cited
US2794660A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |