US2993550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prime mover for wheel chairs
Assignee: AIDCO
•
Filing: 1958-05-09
•
Granted: 1961-07-25
•
Expires: 1978-05-09
Abstract
No abstract record available.
Inventors
- 👤 Richard H Klappert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:38
CPC Classifications
A; A61; A61G; A61G5/00; A61G5/04; A61G5/047; A61G5/10; A61G5/1051; B; B60; B60K; B60K1/00; B60K1/04; B60L; B60L50/00; B60L50/50; B60L50/52; A61G2203/00; A61G2203/10; A61G2203/14; B60K2001/0405; B60K2001/0444; B60L2200/00; B60L2200/34; B60L2200/46; B60Y; B60Y2200/00; B60Y2200/80; B60Y2200/84; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/70; Y10; Y10S; Y10S180/00; Y10S180/907; Y10T; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20213
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |