Patent US3256035A successfully refreshed from Google Patents.
US3256035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Walker for invalids
Assignee: Individual
•
Filing: 1965-03-15
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Granted: 1966-06-14
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Expires: 1985-03-15
Abstract
No abstract record available.
Inventors
- 👤 Garringer Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:28
CPC Classifications
A; A61; A61H; A61H3/00; A61H3/04; A61H2003/046; A61H2201/00; A61H2201/16; A61H2201/1602; A61H2201/1628; A61H2201/1633
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
138 words
AN INVALID WALKER INCLUDING: A FRAME HAVING TWO SIDES DEFINING A REAR OPENING THEREBETWEEN; FRONT AND REAR WHEEL MEANS SECURED TO SAID FRAME TO SUPPORT IT ON THE GROUND; A SUPPORT DEVICE INCLUDING A CROSSBAR INTERCONNECTING SAID SIDES, SAID CROSSBAR BEING POSITIONED AT ABOUT CHEST HEIGHT, SAID DEVICE PROVIDING A RESILIENT SUPPORT FOR SAID CROSSBAR WITH RESPECT TO SAID FRAME; SAID FRAME EXTENDING SUFFICIENTLY TO THE REAR OF SAID CROSSBAR TO PERMIT AND INVALID TO ENTER BETWEEN THE SIDES AND STAND FORWARDLY OF THE REAR OF THE FRAME; A SEAT AT SAID REAR OF THE FRAME SAID SEAT BEING HINGED TO ONE SIDE AND SUPPORTED BY THE OPPOSITE SIDE; OPERATING MEANS CONNECTED TO SAID SEAT AND EXTENDING TO ABOUT THE MIDDLE OF THE FRAME TO RAISE THE SEAT FOR INGRESS AND EGRESS; AND A PAIR OF BODY SUPPORTS
References Cited (Backward Citations)
US130283A
Cited
US2733754A
Cited
US1255539A
Cited
US1917440A
Cited
US2362466A
Cited
US2374182A
Cited
US2539577A
Cited
US2792052A
Cited
US3063752A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |