US2482203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric motor drive and control for wheel chairs
Assignee: Individual
•
Filing: 1946-08-16
•
Granted: 1949-09-20
•
Expires: 1966-08-16
Abstract
No abstract record available.
Inventors
- 👤 Harold R Peterson
- 👤 Fred H Jock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:33
CPC Classifications
A; A61; A61G; A61G5/00; A61G5/04; A61G5/041; A61G5/045; A61G5/10; A61G5/1005; A61G5/1021; A61G5/1027; A61G5/1032; A61G5/1051; A61G5/1078; B; B60; B60K; B60K1/00; Y; Y10; Y10S; Y10S180/00; Y10S180/907
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US598314A
Cited
US751231A
Cited
GB189618783A
Cited
US680602A
Cited
US1540170A
Cited
US2306042A
Cited
GB529814A
Cited
US2399605A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-19 | 1953-03-21 | 1953-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-19 | 1957-03-21 | 1957-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-19 | 1961-03-21 | 1961-09-20 | $7700.00 | Window Closed / Lapsed |