US2847058A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding wheel chair
Assignee: ANTHONY G ALLISON
•
Filing: 1953-09-10
•
Granted: 1958-08-12
•
Expires: 1973-09-10
Abstract
No abstract record available.
Inventors
- 👤 Robert E Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:24
CPC Classifications
A; A61; A61G; A61G5/00; A61G5/02; A61G5/021; A61G5/022; A61G5/023; A61G5/024; A61G5/025; A61G5/026; A61G5/08; A61G5/0808; A61G5/0816; A61G5/0891; A61G5/10; A61G5/12; A61G5/125; A61G5/128; 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)
US643231A
Cited
US1185807A
Cited
US1255563A
Cited
US1736701A
Cited
US1933955A
Cited
US2096237A
Cited
US2102336A
Cited
US2181420A
Cited
US2200889A
Cited
US2520309A
Cited
US2522729A
Cited
US2621711A
Cited
US2576413A
Cited
US2591246A
Cited
US2669289A
Cited
US2601889A
Cited
US2581110A
Cited
US2609864A
Cited
US2682913A
Cited
US2743115A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |