US3387681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power operated wheel chair
Assignee: Individual
•
Filing: 1966-02-14
•
Granted: 1968-06-11
•
Expires: 1986-02-14
Abstract
No abstract record available.
Inventors
- 👤 Rodney R Rabjohn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:17
CPC Classifications
A; A61; A61G; A61G5/00; A61G5/04; A61G5/041; A61G5/042; A61G5/047; A61G5/10; A61G5/1051; B; B60; B60K; B60K1/00; A61G2203/00; A61G2203/10; A61G2203/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2417613A
Cited
US2911053A
Cited
US3023825A
Cited
GB929339A
Cited
US3099326A
Cited
US3161249A
Cited
US3213957A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |