US2468801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power operated chair
Assignee: Individual
•
Filing: 1947-02-07
•
Granted: 1949-05-03
•
Expires: 1967-02-07
Abstract
No abstract record available.
Inventors
- 👤 Charles T Beall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:57
CPC Classifications
A; A61; A61G; A61G5/00; A61G5/04; A61G5/041; A61G5/042; A61G5/10; A61G5/1051; A61G5/1078; B; B62; B62D; B62D61/00; B62D61/06; B62D61/08; A61G2203/00; A61G2203/10; A61G2203/14; Y; Y10; Y10S; Y10S180/00; Y10S180/907
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1306483A
Cited
FR373200A
Cited
US1072557A
Cited
US1052829A
Cited
US1230340A
Cited
US1226200A
Cited
US1461735A
Cited
GB446691A
Cited
US2399605A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-02 | 1952-11-01 | 1953-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-02 | 1956-11-01 | 1957-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-02 | 1960-11-01 | 1961-05-03 | $7700.00 | Window Closed / Lapsed |