US3936898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable ramp for wheel chairs
Assignee: Individual
•
Filing: 1975-05-05
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Granted: 1976-02-10
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Expires: 1995-05-05
Abstract
Abstract This invention consists primarily of a pair of hinged together plates of rectangular configuration which are secured fixedly to tubular members, each of the tubular members having leg members on one end of the ramp so as to support it in an inclined position, the unit includes a carrying handle, a latch strap and hook means for suspending the device from a wheel chair when it is not in use.
Inventors
- 👤 Alice Poe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:56
CPC Classifications
A; A61; A61G; A61G3/00; A61G3/02; A61G3/06; A61G3/061; E; E04; E04F; E04F11/00; E04F11/002; A61G3/063
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
116 words
A portable ramp for wheelchairs, comprising a pair of hinged together and rectangular configurated plates with flange means so as to prevent said wheelchair from rolling off the side edges of said ramp, a pair of U-shaped tubular members secured to one side of said plates, a pair of spaced apart leg members secured one each to said tubular members, a pivotable latch strap member secured to one of said tubular members, handle grip means secured to one of said flanges and snap latch means secured one portion each to said flange members, a pair of rotatable hook members secured to said platform providing depending means for said portable ramp from the rear of said wheelchair.
Claim 2
Dependent Claim
116 words
A portable ramp for wheelchairs, comprising a pair of hinged together and rectangular configurated plates with flange means so as to prevent said wheelchair from rolling off the side edges of said ramp, a pair of U-shaped tubular members secured to one side of said plates, a pair of spaced apart leg members secured one each to said tubular members, a pivotable latch strap member secured to one of said tubular members, handle grip means secured to one of said flanges and snap latch means secured one portion each to said flange members, a pair of rotatable hook members secured to said platform providing depending means for said portable ramp from the rear of said wheelchair.
Claim 3
Dependent Claim
81 words
The combination according to claim 1, wherein said plates are secured fixedly to one side of an elongated hinge extending from one end of said ramp to the other, said plates being foldable towards each other and said latch snap is secured pivotably by pin means secured fixedly to one of said tubular members and an extending and fixedly secured pin member extending from the opposite tubular member freely and slidably receives the slot portion at the end of said strap.
Claim 4
Dependent Claim
85 words
The combination according to claim 2, wherein said leg members are spaced apart and provided with rubber feet means for a ground surface and elevating one end of said ramp so as to incline said ramp and said flanges extend upwards from the sides of said a ramp, one of said flanges having secured fixedly thereto said handle grip and said hook means are a pair of rotatably secured and spaced apart to one of said tubular members is formed spring means for said ramp.
References Cited (Backward Citations)
US2141529A
Cited
US2624058A
Cited
US2759207A
Cited
US3069709A
Cited
US3030645A
Cited
US3153798A
Cited
US3711882A
Cited
US3818528A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-02-09 | 1979-08-11 | 1980-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-02-09 | 1983-08-11 | 1984-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-02-09 | 1987-08-11 | 1988-02-10 | $7700.00 | Window Closed / Lapsed |