US3189368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheel chair driver attachment
Assignee: Individual
•
Filing: 1963-12-23
•
Granted: 1965-06-15
•
Expires: 1983-12-23
Abstract
No abstract record available.
Inventors
- 👤 James F Petersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:26
CPC Classifications
A; A61; A61G; A61G5/00; A61G5/02; A61G5/021; A61G5/022; A61G5/024; A61G5/025; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1553; Y10T74/1555; Y10T74/1558
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A WHEEL CHAIR DRIVER ATTACHMENT COMPRISING A DRIVING ARM, MOUNTING MEANS ROTATABLY MOUNTING SAID ARM ON THE CHAIR ADJACENT A WHEEL OF THE CHAIR SO THAT THE ARM EXTENDS TOWARD THE PERIPHERY OF THE WHEEL, A HANDLE ASSEMBLY PIVOTALLY CONNECTED TO SAID ARM, SAID ASSEMBLY INCLUDING HANDLE MEANS TO WHICH A DRIVING FORCE MAY BE APPLIED AND ALSO INCLUDING A SHOE POSITIONED ADJACENT THE PERIPHERY OF THE WHEEL AND SO OPERABLY CONNECTED TO SAID HANDLE MEANS THAT THE SHOE ENGAGES THE PERIPHERY OF THE WHEEL TO DRIVE THE CHAIR WHEN A DRIVING FORCE IS APPLIED TO SAID HANDLE MEANS, AND MEANS URGING SAID SHOE TOWARD A DISENGAGED POSITION AWAY FROM THE PERIPHERY OF SAID WHEEL.
Claim 2
Dependent Claim
115 words
A WHEEL CHAIR DRIVER ATTACHMENT COMPRISING A DRIVING ARM, MOUNTING MEANS ROTATABLY MOUNTING SAID ARM ON THE CHAIR ADJACENT A WHEEL OF THE CHAIR SO THAT THE ARM EXTENDS TOWARD THE PERIPHERY OF THE WHEEL, A HANDLE ASSEMBLY PIVOTALLY CONNECTED TO SAID ARM, SAID ASSEMBLY INCLUDING HANDLE MEANS TO WHICH A DRIVING FORCE MAY BE APPLIED AND ALSO INCLUDING A SHOE POSITIONED ADJACENT THE PERIPHERY OF THE WHEEL AND SO OPERABLY CONNECTED TO SAID HANDLE MEANS THAT THE SHOE ENGAGES THE PERIPHERY OF THE WHEEL TO DRIVE THE CHAIR WHEN A DRIVING FORCE IS APPLIED TO SAID HANDLE MEANS, AND MEANS URGING SAID SHOE TOWARD A DISENGAGED POSITION AWAY FROM THE PERIPHERY OF SAID WHEEL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |