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US4178925A
Expired / Lapsed
US
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Adjustable post-surgical shoe
Assignee: Individual
•
Filing: 1978-03-07
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Granted: 1979-12-18
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Expires: 1998-03-07
Abstract
Abstract An adjustable post-surgical shoe having two sole portions which are slidably connected by a pin and tube means and which has a separate means for securing the sole portions in adjusted positions.
Inventors
- 👤 Paul R. Hirt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:29
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/01; A61F5/0195; A43; A43B; A43B3/00; A43B3/26
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
36 words
An adjustable post-surgical shoe comprising: two sole elements, first pin and tube connection means slidably connecting said elements for relative movement to one of several positions and second separate means securing the elements in adjusted position.
Claim 2
Dependent Claim
36 words
An adjustable post-surgical shoe comprising: two sole elements, first pin and tube connection means slidably connecting said elements for relative movement to one of several positions and second separate means securing the elements in adjusted position.
Claim 3
Dependent Claim
20 words
A post-surgical shoe as defined in claim 1 wherein said second means is a plate secured to both sole elements.
Claim 4
Dependent Claim
43 words
A post-surgical shoe as defined in claim 1 wherein the sole elements are blocks of wood and the first means are two tubes secured in one of the wood blocks and two pins in the other block and slidably engaged in the tubes.
Claim 5
Dependent Claim
45 words
A post-surgical shoe as defined in claim 3 wherein the second means is a metal plate secured to and substantially covering a toe sole element and of sufficient length to be secured to a plurality of positions along the length of the other sole element.
Claim 6
Dependent Claim
29 words
A post-surgical shoe as defined in claim 1 wherein the second means comprises channels formed in the sole elements and a strap in the channels secured to both elements.
Claim 7
Dependent Claim
16 words
A post-surgical shoe as defined in claim 5 wherein the sole elements are made of wood.
Claim 8
Dependent Claim
35 words
A post-surgical shoe as defined in claim 6 wherein the channels are located on the bottom of the sole elements and metal foot support plates as secured to the upper surface of the sole elements.
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) | 1982-12-17 | 1983-06-18 | 1983-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-12-17 | 1987-06-18 | 1987-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-12-17 | 1991-06-18 | 1991-12-18 | $7700.00 | Window Closed / Lapsed |