Patent US4788699A successfully refreshed from Google Patents.
Patent US3596668A successfully refreshed from Google Patents.
US3596668A
Expired / Lapsed
US
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Ambulatory device
Assignee: Individual
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Filing: 1970-01-27
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Granted: 1971-08-03
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Expires: 1990-01-27
Abstract
Abstract A removable bracket comprising a padded knee or leg support mounted in the open frame structure of an invalid-walker and particularly adapted for use by an amputee, minus the lower or upper extremity of one leg, as a means for making walking easier, safer and faster.
Inventors
- 👤 Leonard Tosto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:30
CPC Classifications
A; A61; A61H; A61H3/00; A61H2003/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
219 words
In combination, an invalid-walker formed of a four-legged tubular frame including a pair of front legs, a pair of rear legs, and a substantially horizontal U-shaped reinforcing member spaced a distance above the ground level on which the walker is adapted to be used, said U-shaped member consisting of two side arms and a base portion, said base portion extending between said rear legs, each of said side arms extending between one of said rear legs of said frame and the adjacent front leg thereof, a knee or leg support consisting of an elongated shelf of greater length than width having a first upturned flange along one side edge thereof and a second upturned flange along one end edge thereof, said shelf having said width thereof equal to approximately one-half of the length of said base portion of said U-shaped member, each of said flanges having a return bend on each of said flanges on the end thereof thereby providing a hook on each frame of the flanges, said shelf being mounted within said frame with the hook on said first flange engaging one of said side arms of said member and with the hook on said second flange engaging said base portion of said member, said shelf having a width substantially less than the width of said frame.
Claim 2
Dependent Claim
219 words
In combination, an invalid-walker formed of a four-legged tubular frame including a pair of front legs, a pair of rear legs, and a substantially horizontal U-shaped reinforcing member spaced a distance above the ground level on which the walker is adapted to be used, said U-shaped member consisting of two side arms and a base portion, said base portion extending between said rear legs, each of said side arms extending between one of said rear legs of said frame and the adjacent front leg thereof, a knee or leg support consisting of an elongated shelf of greater length than width having a first upturned flange along one side edge thereof and a second upturned flange along one end edge thereof, said shelf having said width thereof equal to approximately one-half of the length of said base portion of said U-shaped member, each of said flanges having a return bend on each of said flanges on the end thereof thereby providing a hook on each frame of the flanges, said shelf being mounted within said frame with the hook on said first flange engaging one of said side arms of said member and with the hook on said second flange engaging said base portion of said member, said shelf having a width substantially less than the width of said frame.
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) | 1974-08-02 | 1975-02-01 | 1975-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-02 | 1979-02-01 | 1979-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-02 | 1983-02-01 | 1983-08-03 | $7700.00 | Window Closed / Lapsed |