Patent US3877423A successfully refreshed from Google Patents.
US3877423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable foot support for a leg cast
Assignee: GlaxoSmithKline LLC
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Filing: 1973-11-23
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Granted: 1975-04-15
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Expires: 1993-11-23
Abstract
Abstract An adjustable foot support for a leg cast has a main foot plate having an upturned toe portion at its lower end and spaced openings along its length adjacent each side. A cooperating heel plate has a pair of spaced tangs passing through a pair of the openings in the foot plate and engaging the upper face of the foot plate, said heel plate having spaced openings along its length adjacent each side and adapted to register with the openings in the foot plate. A heel support member has securing tangs passing through registering openings in the foot and heel plate to secure the foot and heel plates together and has a pair of securing tangs engaging the heel plate..
Inventors
- 👤 Werner L Tollefsbol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:45
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/04; A61F13/041; A61F13/045
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
89 words
An adjustable foot support for a leg cast comprising: a main foot plate having an upturned toe portion at its lower end, a heel plate, first means adjustably connecting the lower end of the heel plate to the foot plate, a heel support member, second means mounted on said heel support member adjustably connecting said heel support member to the main foot and heel plates to mount the heel support member and secure the main foot and heel plates together at a point removed from the first mentioned means.
Claim 2
Dependent Claim
89 words
An adjustable foot support for a leg cast comprising: a main foot plate having an upturned toe portion at its lower end, a heel plate, first means adjustably connecting the lower end of the heel plate to the foot plate, a heel support member, second means mounted on said heel support member adjustably connecting said heel support member to the main foot and heel plates to mount the heel support member and secure the main foot and heel plates together at a point removed from the first mentioned means.
Claim 3
Dependent Claim
37 words
A device in accordance with claim 1 having a flange on the main foot plate extending around the edges of the sides and toe portion and a flange extending around the upper edge of the heel plate.
Claim 4
Dependent Claim
25 words
A device in accordance with claim 1 having a resilient pad secured to the lower face of the toe portion of the main foot plate.
Claim 5
Dependent Claim
19 words
A device in accordance with claim 1 in which the heel support member has means to vary its height.
Claim 6
Dependent Claim
18 words
A device in accordance with claim 4 in which the heel support member has a resilient bearing surface.
Claim 7
Dependent Claim
122 words
An adjustable foot support for a leg cast comprising: a main foot plate having an upturned toe portion at its lower end and spaced openings along a portion of its length adjacent each side, a heel plate having a pair of spaced tangs passing through a pair of said openings and engaging the upper face of said foot plate, said heel plate having spaced openings along a portion of its length adjacent each side and adapted to register with the openings in the foot plate, a heel support member having securing tangs passing through registering openings in the foot and heel plates to secure the foot and heel plates together and having a pair of securing tangs secured to the heel plate.
Claim 8
Dependent Claim
122 words
An adjustable foot support for a leg cast comprising: a main foot plate having an upturned toe portion at its lower end and spaced openings along a portion of its length adjacent each side, a heel plate having a pair of spaced tangs passing through a pair of said openings and engaging the upper face of said foot plate, said heel plate having spaced openings along a portion of its length adjacent each side and adapted to register with the openings in the foot plate, a heel support member having securing tangs passing through registering openings in the foot and heel plates to secure the foot and heel plates together and having a pair of securing tangs secured to the heel plate.
Claim 9
Dependent Claim
36 words
A device in accordance with claim 6 having a flange on the foot plate extending around the edges of the sides and toe portion and a flange extending around the upper edge of the heel plate.
Claim 10
Dependent Claim
25 words
A device in accordance with claim 6 having a resilient pad secured to the lower face of the toe portion of the main foot plate.
Claim 11
Dependent Claim
19 words
A device in accordance with claim 6 in which the heel support member has means to vary its height.
Claim 12
Dependent Claim
18 words
A device in accordance with claim 9 in which the heel support member has a resilient bearing surface.
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) | 1978-04-14 | 1978-10-14 | 1979-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-04-14 | 1982-10-14 | 1983-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-04-14 | 1986-10-14 | 1987-04-15 | $7700.00 | Window Closed / Lapsed |