US3758964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sports shoe
Assignee: Onitsuka Co Ltd
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Filing: 1972-03-08
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Granted: 1973-09-18
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Expires: 1992-03-08
Abstract
Abstract The present invention relates to a sports shoe which comprises an enclosed bag member which consists of a heel cover section for covering a heel portion of a wearer''s foot and an instep cover section connected integrally with the heel cover section for covering an instep of the wearer''s foot, said enclosed bag member having an air chamber formed therein; and a cushioning member which is made of cushioning material and adapted to cover the heel portion and both sides of the instep of the wearer''s foot, said cushioning member being provided exteriorly of the air chamber of the enclosed bag member.
Inventors
- 👤 K Nishimura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:16
CPC Classifications
A; A43; A43B; A43B5/00; A43B5/04; A43B5/0405; A43B5/0407
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
138 words
A sport shoe having an upper and an inner shoe within the upper, the inner shoe comprising an inner enclosed bag having inner and outer walls and a heel portion for covering the heel of a wearer''s foot and an instep portion connected integrally with the heel portion for covering the instep of a foot, the inner bag being provided with a plurality of air chambers therein, a cushioning member adapted to cover at least the heel and both sides of the instep of a wearer''s foot and having an inner peripheral wall provided with a form corresponding to the shape of a foot and an outer peripheral wall secured to the inner wall of the inner bag, outer bag means enclosing the inner bag and the cushioning member, and means for supplying air to the air chambers.
Claim 2
Dependent Claim
138 words
A sport shoe having an upper and an inner shoe within the upper, the inner shoe comprising an inner enclosed bag having inner and outer walls and a heel portion for covering the heel of a wearer''s foot and an instep portion connected integrally with the heel portion for covering the instep of a foot, the inner bag being provided with a plurality of air chambers therein, a cushioning member adapted to cover at least the heel and both sides of the instep of a wearer''s foot and having an inner peripheral wall provided with a form corresponding to the shape of a foot and an outer peripheral wall secured to the inner wall of the inner bag, outer bag means enclosing the inner bag and the cushioning member, and means for supplying air to the air chambers.
Claim 3
Dependent Claim
40 words
A sport shoe as claimed in claim 1 wherein the outer bag means includes an inner wall secured to the inner peripheral wall of the cushioning member and an outer wall secured to the outer wall of the inner bag.
Claim 4
Dependent Claim
16 words
A sport shoe as claimed in claim 1 wherein the air chambers communicate with each other.
Claim 5
Dependent Claim
29 words
A sport shoe as claimed in claim 1 wherein the air chambers are independent of each other, each of the chambers being provided with means for supplying air thereto.
Claim 6
Dependent Claim
127 words
A sport shoe having an upper and inner layer means within the upper, the inner layer means comprising an enclosed bag having a heel portion for covering the heel of wearer''s foot and an instep portion connected integrally with the heel portion for covering the instep of a foot, said bag being secured to the upper and having an air chamber therein which is divided into air compartments, a cushioning member adapted to cover at least the heel and both sides of the instep of a wearer''s foot and having an inner peripheral wall provided with a form corresponding to the shape of a foot and an outer peripheral wall secured to the inner face of the bag, and means for supplying air to the air chamber.
Claim 7
Dependent Claim
127 words
A sport shoe having an upper and inner layer means within the upper, the inner layer means comprising an enclosed bag having a heel portion for covering the heel of wearer''s foot and an instep portion connected integrally with the heel portion for covering the instep of a foot, said bag being secured to the upper and having an air chamber therein which is divided into air compartments, a cushioning member adapted to cover at least the heel and both sides of the instep of a wearer''s foot and having an inner peripheral wall provided with a form corresponding to the shape of a foot and an outer peripheral wall secured to the inner face of the bag, and means for supplying air to the air chamber.
Claim 8
Dependent Claim
16 words
A sport shoe as claimed in claim 5 wherein the air compartments communicate with each other.
Claim 9
Dependent Claim
29 words
A sport shoe as claimed in claim 5 wherein the air comPartments are independent of each other, each of the compartments being provided with means for supplying air thereto.
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) | 1976-09-17 | 1977-03-19 | 1977-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-17 | 1981-03-19 | 1981-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-17 | 1985-03-19 | 1985-09-18 | $7700.00 | Window Closed / Lapsed |