US4170078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cushioned foot sole
Assignee: Individual
•
Filing: 1978-03-30
•
Granted: 1979-10-09
•
Expires: 1998-03-30
Abstract
Abstract A cushioned sole for the foot which is hollow and resilient the interior having contained a fluid or other flowable material, such as sand and the like, the sole having for a principal purpose the affording of maximum comfort for the wearer. Small air valves are provided to allow the sole to breathe the degree of which is subject to control by slide covers. The sole is composed of discrete parts each specially shaped to prevent back sliding of the foot when walking on loose sand or climbing dirt trails. A second, flattened sole may be attached to the first sole for more ordinary usage of the subject foot wear.
Inventors
- 👤 Ronald Moss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:00
CPC Classifications
A; A43; A43B; A43B13/00; A43B13/14; A43B13/18; A43B13/20; A43B13/203
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
36 words
A cushioned foot sole comprising a top layer, a plurality of trapezoidal shaped segments depending at terminal and intermediate points therefrom, said segments having a hollow central portion and air pockets communicating therewith and formed therein.
Claim 2
Dependent Claim
36 words
A cushioned foot sole comprising a top layer, a plurality of trapezoidal shaped segments depending at terminal and intermediate points therefrom, said segments having a hollow central portion and air pockets communicating therewith and formed therein.
Claim 3
Dependent Claim
22 words
A cushioned foot sole as defined in claim 1 wherein said hollow portions of the segments are at least partially sand filled.
Claim 4
Dependent Claim
23 words
A foot sole as defined in claim 1 wherein a second sole formed as an apertured air chamber is secured underneath said segments.
Claim 5
Dependent Claim
23 words
A foot sole as defined in claim 2 wherein a second sole formed as an apertured air chamber is secured underneath said segments.
Claim 6
Dependent Claim
24 words
A foot sole as defined in claim 3 wherein an escape air port is provided for said chamber having a slide valve control therefor.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-10-08 | 1983-04-09 | 1983-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-10-08 | 1987-04-09 | 1987-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-10-08 | 1991-04-09 | 1991-10-09 | $7700.00 | Window Closed / Lapsed |