US4224746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shoe ventilating insole
Assignee: Individual
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Filing: 1979-02-01
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Granted: 1980-09-30
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Expires: 1999-02-01
Abstract
Abstract A cushioned insole for a shoe comprises a member formed of a resilient, porous material enclosed in an impervious envelope having a plurality of air inlet ports near the rear edge of its heel portion and a plurality of air outlet ports in its ball portion in the region of the toes of the wearer of the shoe. Such a construction, in addition to cushioning the foot, provides for drawing cool air into the toe region of the shoe as a result of the normal walking action.
Inventors
- 👤 Sunyong P. Kim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:46
CPC Classifications
A; A43; A43B; A43B17/00; A43B17/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
A shoe ventilating insole assembly comprising: a ventilating air transfer envelope formed of an air impervious material, said envelope including a heel portion and a ball portion connected by a narrow passageway portion; each said portion having a plane areal size smaller then the corresponding portion of the inner sole of a typical shoe; said air transfer envelope having a plurality of air inlet ports near the rear of the heel portion thereof and having a plurality of air outlet ports near the front of the ball portion thereof; a filler member formed of a resilient highly porous material enclosed in said transfer envelope; and a peripheral cushioning support member formed of a resilient material which is substantially more solid then said filler material; said peripheral cushioning support member closely fitted about and adhesively bonded to the curved longitudinal sides and the front end of said envelope so as to form a continuation of the plane areal surface thereof to provide an insole assembly having an overall outer contour corresponding to the inner sole of a typical shoe.
Claim 2
Dependent Claim
178 words
A shoe ventilating insole assembly comprising: a ventilating air transfer envelope formed of an air impervious material, said envelope including a heel portion and a ball portion connected by a narrow passageway portion; each said portion having a plane areal size smaller then the corresponding portion of the inner sole of a typical shoe; said air transfer envelope having a plurality of air inlet ports near the rear of the heel portion thereof and having a plurality of air outlet ports near the front of the ball portion thereof; a filler member formed of a resilient highly porous material enclosed in said transfer envelope; and a peripheral cushioning support member formed of a resilient material which is substantially more solid then said filler material; said peripheral cushioning support member closely fitted about and adhesively bonded to the curved longitudinal sides and the front end of said envelope so as to form a continuation of the plane areal surface thereof to provide an insole assembly having an overall outer contour corresponding to the inner sole of a typical shoe.
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) | 1983-09-30 | 1984-03-31 | 1984-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-09-30 | 1988-03-31 | 1988-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-09-30 | 1992-03-31 | 1992-09-30 | $7700.00 | Window Closed / Lapsed |