US4733483A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Custom midsole
Assignee: Autry Industries Inc
•
Filing: 1987-03-12
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Granted: 1988-03-29
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Expires: 2007-03-12
Abstract
Abstract A midsole (10 and 22) for an activewear shoe (12) comprises an insert (10) and a peripheral member (22). A plurality of independent cushioning elements (34) depend from a base member (32) of insert (10), and are sized in order to conform to the lift of peripheral member (22). The cushionability and resiliency of insert (10) may be selected according to the wearer's weight and cushionability preference.
Inventors
- 👤 Yung-Mao Lin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:43
CPC Classifications
A; A43; A43B; A43B17/00; A43B13/00; A43B13/14; A43B13/18; A43B13/181; A43B13/184; A43B1/00; A43B1/0072; A43B17/02; A43B7/00; A43B7/14; A43B7/1405; A43B7/1455; A43B7/146
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
134 words
A midsole for disposal on an upper surface of an outsole, comprising: a removable insert of said midsole, and a peripheral member of said midsole disposed laterally outwardly of said removable insert; said peripheral member forming an orifice, said removable insert insertable through said orifice to make contact to said upper surface of said outsole, said peripheral member permanently affixed to said upper surface of said outsole; said removable insert having a lower surface for contacting said upper surface of said outsole, a plurality of convex cushioning elements formed to fill at least a major portion of said lower surface, said elements each operable to cushionably deform and flatten responsive to a force having a component perpendicular to said lower surface at said element, each element operable to deform independently of the remaining elements.
Claim 2
Dependent Claim
134 words
A midsole for disposal on an upper surface of an outsole, comprising: a removable insert of said midsole, and a peripheral member of said midsole disposed laterally outwardly of said removable insert; said peripheral member forming an orifice, said removable insert insertable through said orifice to make contact to said upper surface of said outsole, said peripheral member permanently affixed to said upper surface of said outsole; said removable insert having a lower surface for contacting said upper surface of said outsole, a plurality of convex cushioning elements formed to fill at least a major portion of said lower surface, said elements each operable to cushionably deform and flatten responsive to a force having a component perpendicular to said lower surface at said element, each element operable to deform independently of the remaining elements.
Claim 3
Dependent Claim
12 words
The midsole of claim 1, wherein said cushioning elements are radially symmetrical.
Claim 4
Dependent Claim
14 words
The midsole of claim 2, wherein said cushioning elements are approximately hemispherical in shape.
Claim 5
Dependent Claim
18 words
The midsole of claim 2, wherein said cushioning elements take the form of pillars with rounded free ends.
Claim 6
Dependent Claim
21 words
The midsole of claim 1, wherein said elements are each laterally adjacent a plurality of other elements in a closest-packing arrangement.
Claim 7
Dependent Claim
13 words
The midsole of claim 1, wherein said elements are arranged in transverse rows.
Claim 8
Dependent Claim
88 words
The midsole of claim 1, wherein said peripheral member comprises a heel portion, a toe portion of said peripheral member integrally formed with said heel portion, the thickness of said peripheral member decreasing from said heel portion to said toe portion; said insert having a rear end, a front end of said insert integrally formed with said rear end, the thickness of said removable insert decreasing from said rear end to said front end in correspondence with the decreasing thickness of said heel portion to said toe portion.
Claim 9
Dependent Claim
67 words
The midsole of claim 7, wherein said elements are radially symmetrical and are each laterally adjacent a plurality of like elements in a closest-packing arrangement, each element having a radial size, the radial size of said elements decreasing from said rear end to said front end in order to effect a decrease in the thickness of said removable insert from said rear end to said front end.
Claim 10
Dependent Claim
46 words
The midsole of claim 1, and further comprising an upper surface of said removable insert, a fabric layer joined to said removable insert upper surface, said fabric layer laterally extending beyond the periphery of said removable insert to cover an upper surface of said peripheral member.
Claim 11
Dependent Claim
18 words
The midsole of claim 9, wherein said fabric layer comprises a flocking material comprised of nylon and polyester.
Claim 12
Dependent Claim
23 words
The midsole of claim 1, wherein said removable inset has an upper surface, a plurality of convex elements formed in said upper surface.
Claim 13
Dependent Claim
20 words
The midsole of claim 11, wherein said upper surface convex elements each correspond to a respective lower surface convex element.
Claim 14
Dependent Claim
36 words
The midsole of claim 1, wherein said removable insert is integrally formed with an insole member, said insole member formed above said removable insert and extending laterally to cover an upper surface of said peripheral member.
Claim 15
Dependent Claim
20 words
The midsole of claim 13, and further comprising: a fabric layer joined to an upper surface of said insole member.
Claim 16
Dependent Claim
30 words
The midsole of claim 1, wherein said removable insert is comprised of a cushionable synthetic material, said removable insert selectable from among a plurality of like inserts having different cushionabilities.
References Cited (Backward Citations)
US74912A
Cited
US128055A
Cited
US945698A
Cited
US1540430A
Cited
US2090881A
Cited
US2146888A
Cited
GB643119A
Cited
US2721400A
Cited
US3426455A
Cited
US3589037A
Cited
US4075772A
Cited
US4045886A
Cited
US4095353A
Cited
US4103440A
Cited
GB2007081A
Cited
US4215492A
Cited
US4187620A
Cited
US4297796A
Cited
US4319412A
Cited
DD200726A1
Cited
US4509510A
Cited
DE3228017A1
Cited
JPS59168802A
Cited
US4551930A
Cited
DE3347343A1
Cited
GB2159038A
Cited
US4598484A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-03-29 | 1991-09-28 | 1992-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-03-29 | 1995-09-28 | 1996-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-03-29 | 1999-09-28 | 2000-03-29 | $7700.00 | Window Closed / Lapsed |