US4012854A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inflatable shoe
Assignee: Individual
•
Filing: 1976-02-17
•
Granted: 1977-03-22
•
Expires: 1996-02-17
Abstract
Abstract The present invention discloses an inflatable shoe wherein the bottom surface of the sole is substantially flat from the area of the heel to the metatarsal region and turns upwardly in the portion thereof that is forward of the metatarsal region and an inflatable air chamber is located under the arch portion for support thereof and is positioned intermediate the heel portion and the metatarsal region of the shoe.
Inventors
- 👤 Steven P. Berend
- 👤 Carmelo Giardina
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:52
CPC Classifications
A; A43; A43B; A43B13/00; A43B13/14; A43B13/18; A43B13/20; A43B13/203
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
136 words
A shoe comprising, in combination: an upper having a mid-sole integral therewith; a bottom sole secured to said mid-sole, said bottom sole being substantially flat over the bottom surface thereof that extends between the heel and the metatarsal region of said shoe, said bottom sole extending upwardly over the bottom surface thereof that is forward of the metatarsal region of said shoe; and an air chamber located beneath said mid-sole, the extremities of said air chamber being positioned intermediate the heel portion and the metatarsal region of said shoe; said mid-sole and said bottom sole each include marginal mating rims along which said mid-sole and said bottom sole are secured to each other; said mid-sole and said bottom sole are secured to each other along said marginal, mating rims by at least one row of stitches.
Claim 2
Dependent Claim
136 words
A shoe comprising, in combination: an upper having a mid-sole integral therewith; a bottom sole secured to said mid-sole, said bottom sole being substantially flat over the bottom surface thereof that extends between the heel and the metatarsal region of said shoe, said bottom sole extending upwardly over the bottom surface thereof that is forward of the metatarsal region of said shoe; and an air chamber located beneath said mid-sole, the extremities of said air chamber being positioned intermediate the heel portion and the metatarsal region of said shoe; said mid-sole and said bottom sole each include marginal mating rims along which said mid-sole and said bottom sole are secured to each other; said mid-sole and said bottom sole are secured to each other along said marginal, mating rims by at least one row of stitches.
Claim 3
Dependent Claim
18 words
The shoe according to claim 1 wherein valve means are included for introducing air into said air chamber.
Claim 4
Dependent Claim
20 words
The shoe according to claim 2 wherein said valve means are located on a peripheral side edge of said shoe.
Claim 5
Dependent Claim
22 words
The shoe according to claim 2 wherein said valve means are located on the lateral inside peripheral edge of said bottom sole.
Claim 6
Dependent Claim
23 words
Ths shoe according to claim 1 wherein said air chamber is defined by a recess in the upper surface of said bottom sole.
Claim 7
Dependent Claim
18 words
The shoe according to claim 5 wherein said recess extends approximately the entire width of said bottom sole.
Claim 8
Dependent Claim
17 words
The shoe according to claim 6 wherein said upwardly extending portion of said bottom sole is curved.
Claim 9
Dependent Claim
21 words
The shoe according to claim 1 wherein said mid-sole includes a raised arch portion that is directly above said air chamber.
Claim 10
Dependent Claim
82 words
An inflatable shoe comprising, in combination: an upper including a mid-sole; a bottom sole sealed to said mid-sole and defining therewith an air chamber intermediate the heel and metatarsal portion of said shoe; and means for inflating said air chamber; said bottom sole being substantially flat over the bottom surface thereof to extend between the heel and metatarsal region of said shoe, said bottom sole extending upwardly over the bottom surface thereof that is forward of the metatarsal region of said shoe.
Claim 11
Dependent Claim
82 words
An inflatable shoe comprising, in combination: an upper including a mid-sole; a bottom sole sealed to said mid-sole and defining therewith an air chamber intermediate the heel and metatarsal portion of said shoe; and means for inflating said air chamber; said bottom sole being substantially flat over the bottom surface thereof to extend between the heel and metatarsal region of said shoe, said bottom sole extending upwardly over the bottom surface thereof that is forward of the metatarsal region of said shoe.
Claim 12
Dependent Claim
20 words
The shoe according to claim 9 wherein said air chamber is further defined by a recess in said bottom sole.
Claim 13
Dependent Claim
26 words
The shoe according to claim 9 wherein the extremeties of said air chamber are positioned intermediate the heel portion and the metatarsal region of said shoe.
Claim 14
Dependent Claim
17 words
The shoe according to claim 9 wherein said upwardly extending portion of said bottom sole is curved.
Claim 15
Dependent Claim
13 words
The shoe according to claim 9 wherein said inflating means is a valve.
Claim 16
Dependent Claim
19 words
The shoe according to claim 13 wherein said valve is located on a peripheral side edge of said shoe.
Claim 17
Dependent Claim
21 words
The shoe according to claim 13 wherein said valve is located on the lateral inside peripheral edge of said bottom sole.
Claim 18
Dependent Claim
21 words
The shoe according to claim 9 wherein said bottom sole is secured to said mid-sole proximate the peripheral said edge thereof.
Claim 19
Dependent Claim
95 words
An improved shoe comprising, in combination: an upper; and sole means secured to said upper, said sole means being substantially flat over the bottom surface thereof extending between the heel and metatarsal region of said shoe, said sole means extending upwardly over the bottom surface thereof that is forward of the metatarsal region of said shoe; said sole means includes an air chamber therein and means are included for introducing air into said air chamber and the extremeties of said air chamber are positioned intermediate the heel portion and the metatarsal region of said shoe.
Claim 20
Dependent Claim
95 words
An improved shoe comprising, in combination: an upper; and sole means secured to said upper, said sole means being substantially flat over the bottom surface thereof extending between the heel and metatarsal region of said shoe, said sole means extending upwardly over the bottom surface thereof that is forward of the metatarsal region of said shoe; said sole means includes an air chamber therein and means are included for introducing air into said air chamber and the extremeties of said air chamber are positioned intermediate the heel portion and the metatarsal region of said shoe.
Claim 21
Dependent Claim
17 words
The shoe according to claim 17 wherein said upwardly extending portion of said sole means is curved.
Claim 22
Dependent Claim
21 words
The shoe according to claim 17 wherein said sole means is secured to said upper along the peripheral side edge thereof.
Claim 23
Dependent Claim
20 words
The shoe according to claim 17 wherein said sole means includes a raised arch portion directly above said air chamber.
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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) | 1980-03-21 | 1980-09-20 | 1981-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-03-21 | 1984-09-20 | 1985-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-03-21 | 1988-09-20 | 1989-03-22 | $7700.00 | Window Closed / Lapsed |