Patent US3264658A successfully refreshed from Google Patents.
US3264658A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheel chair
Assignee: Lincoln Carriage Corp
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Filing: 1962-12-20
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Granted: 1966-08-09
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Expires: 1982-12-20
Abstract
No abstract record available.
Inventors
- 👤 John V Kitrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:35
CPC Classifications
A; A61; A61G; A61G5/00; A61G5/10; A61G5/1056; A61G5/1059; A61G5/12; A61G5/125; A61G5/128
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
IN A WHEEL CHAIR FOR COMBINATION OF: A MAIN FRAME; A CANTILEVER FRAME PORTION OF SAID MAIN FRAME HAVING FIRST SUPPORTING WHEELS OF SMALL ENOUGH DIAMETER TO PASS UNDER A BED; SECOND RELATIVELY LARGER WHEELS SUPPORTING SAID FRAME AND DISPOSED TO SUPPORT SAID WHEEL CHAIR AT THE SIDE OF A BED, SAID LARGER WHEELS HAVING PERIPHERIES AND HAVING AN UPPER OPEN END ADAPTED TO BE FLUSH WITH IN SAID CHAIR; A SEAT FRAME PIVOTALLY MOUNTED ON SAID MAIN FRAME ON A SUBSTANTIALLY VERTICAL AXIS, SAID SEAT FRAME CANTILEVERED FROM SAID MAIN FRAME AND DISPOSED IN SPACED RELATION WITH AND ABOVE SAID CANTILEVER FRAME PORTION; A TURNTABLE MEANS ROTATABLY SUPPORTING SAID SEAT FRAME ON A VERTICAL AXIS; SECOND CANTILEVER MEANS PROJECTING HORIZONTALLY FROM SAID MAIN FRAME IN VERTICALLY SPACED RELATION TO SAID CANTILEVER FRAME PORTION; AND RECEIVING PORTIONS OF SAID TURNTABLE MEANS, SAID RECEIVING PORTIONS REMOVABLY MOUNTED ON SAID SECOND CANTILEVER MEANS AND RELATIVELY ENGAGEABLY AND DISENGAGEABLY BY
Claim 2
Dependent Claim
157 words
IN A WHEEL CHAIR FOR COMBINATION OF: A MAIN FRAME; A CANTILEVER FRAME PORTION OF SAID MAIN FRAME HAVING FIRST SUPPORTING WHEELS OF SMALL ENOUGH DIAMETER TO PASS UNDER A BED; SECOND RELATIVELY LARGER WHEELS SUPPORTING SAID FRAME AND DISPOSED TO SUPPORT SAID WHEEL CHAIR AT THE SIDE OF A BED, SAID LARGER WHEELS HAVING PERIPHERIES AND HAVING AN UPPER OPEN END ADAPTED TO BE FLUSH WITH IN SAID CHAIR; A SEAT FRAME PIVOTALLY MOUNTED ON SAID MAIN FRAME ON A SUBSTANTIALLY VERTICAL AXIS, SAID SEAT FRAME CANTILEVERED FROM SAID MAIN FRAME AND DISPOSED IN SPACED RELATION WITH AND ABOVE SAID CANTILEVER FRAME PORTION; A TURNTABLE MEANS ROTATABLY SUPPORTING SAID SEAT FRAME ON A VERTICAL AXIS; SECOND CANTILEVER MEANS PROJECTING HORIZONTALLY FROM SAID MAIN FRAME IN VERTICALLY SPACED RELATION TO SAID CANTILEVER FRAME PORTION; AND RECEIVING PORTIONS OF SAID TURNTABLE MEANS, SAID RECEIVING PORTIONS REMOVABLY MOUNTED ON SAID SECOND CANTILEVER MEANS AND RELATIVELY ENGAGEABLY AND DISENGAGEABLY BY
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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) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |