US2782835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Invalid wheel chair having reversible drive and caster wheels
Assignee: GENDRON WHEEL CO
•
Filing: 1954-03-19
•
Granted: 1957-02-26
•
Expires: 1974-03-19
Abstract
No abstract record available.
Inventors
- 👤 John C Liebich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:37
CPC Classifications
A; A61; A61G; A61G5/00; A61G5/10; A61G5/1078; A61G2203/00; A61G2203/70; A61G2203/72; A61G2203/723; Y; Y10; Y10S; Y10S297/00; Y10S297/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2561616A
Cited
US2675057A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-26 | 1960-08-27 | 1961-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-26 | 1964-08-27 | 1965-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-26 | 1968-08-27 | 1969-02-26 | $7700.00 | Window Closed / Lapsed |