Patent US5295314A successfully refreshed from Google Patents.
US5295314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shoe with sole including hollow space inflatable through removable bladder
Assignee: Individual
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Filing: 1992-09-22
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Granted: 1994-03-22
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Expires: 2012-09-22
Abstract
Abstract A shoe formed by an upper and a flat sole of a type having an air chamber made up of compartments, capable of being inflated by means of valves, the flat sole of which is provided with a raised perimetral edge. The sole receives the air chamber and is connected with a rigid countersole and upper by means of stitching, gluing or the like, there being also included in such flat sole a rigid layer. This combination provides a flexible cavity capable of allowing flat and parallel movement of the arch support of the shoe in relation to the outer sole.
Inventors
- 👤 Armenak Moumdjian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:38
CPC Classifications
A; A43; A43B; A43B13/00; A43B13/14; A43B13/18; A43B13/20; A43B13/203
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
118 words
A shoe comprising: a flat sole formed with a raised perimetral edge having at least one opening; a rigid layer in said sole; a compartmented air chamber received in said sole above said rigid layer and having a valve extending through said opening and allowing variable inflation of said air chamber; a rigid countersole connected to said edge and disposed above said air chamber, said rigid countersole comprising a front part, a rear part, a transverse hinge articulating said front part and said rear part, and a raised edge extending all around said countersole but interrupted at said transverse hinge and being connected to said perimetral edge; and an upper received within said raised edges and secured thereto.
Claim 2
Dependent Claim
118 words
A shoe comprising: a flat sole formed with a raised perimetral edge having at least one opening; a rigid layer in said sole; a compartmented air chamber received in said sole above said rigid layer and having a valve extending through said opening and allowing variable inflation of said air chamber; a rigid countersole connected to said edge and disposed above said air chamber, said rigid countersole comprising a front part, a rear part, a transverse hinge articulating said front part and said rear part, and a raised edge extending all around said countersole but interrupted at said transverse hinge and being connected to said perimetral edge; and an upper received within said raised edges and secured thereto.
Claim 3
Dependent Claim
61 words
The shoe defined in claim 1 wherein said air chamber has a heel compartment, at least one toe compartment and a plurality of transversely separated longitudinal compartments between said toe compartment and said heel compartment, at least a plurality of said compartments being provided with respective valves enabling separate inflation thereof and extending through respective openings in said raised perimetral edge.
Claim 4
Dependent Claim
21 words
The shoe defined in claim 2 wherein said air chamber is removable received in said sole within said raised perimetral edge.
Claim 5
Dependent Claim
18 words
The shoe defined in claim 1 wherein said rigid layer is embedded in the thickness of said sole.
Claim 6
Dependent Claim
29 words
The shoe defined in claim 4 wherein said rigid layer is divided into a front part and a rear part articulated to one another by a flexible transverse hinge.
Claim 7
Dependent Claim
22 words
The shoe defined in claim 1 wherein said upper is formed with a strip turned over and raised edges and stitched thereto.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-03-21 | 1997-09-20 | 1998-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-03-21 | 2001-09-20 | 2002-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-03-21 | 2005-09-20 | 2006-03-22 | $7700.00 | Window Closed / Lapsed |