Patent US4008530A successfully refreshed from Google Patents.
US4008530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inflatable sole shoe
Assignee: Lee Raymond Organization Inc
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Filing: 1976-01-05
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Granted: 1977-02-22
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Expires: 1996-01-05
Abstract
Abstract A shoe formed with an inflatable sole adaptable for filling with a fluid under pressure. The inflatable sole section extends from the front to the rear of the shoe and is fitted on the side with a flush mounted valve for inflating or deflating the sole. An alternate embodiment employs an inflatable inner sole shaped for orthopedic purposes mounted between the bottom of the shoe and a shaped inflatable outer sole.
Inventors
- 👤 Dennis J. Gager
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:26
CPC Classifications
A; A43; A43B; A43B13/00; A43B13/14; A43B13/18; A43B13/20; A43B13/203
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
An orthopedic inflatable shoe, formed with a first inflatable sole section and a second inflatable inner sole section, with each of said sole sections individually fitted with valves for independent inflation of each said section by a fluid under pressure, each said inflatable section formed of a top wall, and a bottom wall joined continuously together by a side wall, with the first inflatable sole section shaped so that in the inflated condition, the upper wall is generally flat and the bottom wall extends from the said upper wall by a greater distance at the front portion of the sole section than at the rear portion of the sole section, and with the second inflatable section shaped so that in the inflated condition, the bottom wall is generally flat and the top wall is formed as a convex arcuate surface extending along the longitudinal axis of the said second sole.
Claim 2
Dependent Claim
150 words
An orthopedic inflatable shoe, formed with a first inflatable sole section and a second inflatable inner sole section, with each of said sole sections individually fitted with valves for independent inflation of each said section by a fluid under pressure, each said inflatable section formed of a top wall, and a bottom wall joined continuously together by a side wall, with the first inflatable sole section shaped so that in the inflated condition, the upper wall is generally flat and the bottom wall extends from the said upper wall by a greater distance at the front portion of the sole section than at the rear portion of the sole section, and with the second inflatable section shaped so that in the inflated condition, the bottom wall is generally flat and the top wall is formed as a convex arcuate surface extending along the longitudinal axis of the said second sole.
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) | 1980-02-22 | 1980-08-23 | 1981-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-02-22 | 1984-08-23 | 1985-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-02-22 | 1988-08-23 | 1989-02-22 | $7700.00 | Window Closed / Lapsed |