US4095353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Massage sandal
Assignee: FUN-SHU Ltd A CORP OF COMMONWEALTH OF
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Filing: 1977-05-05
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Granted: 1978-06-20
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Expires: 1997-05-05
Abstract
Abstract A one-piece molded flexible plastic or rubber sandal having integrally molded on the insole thereof a plurality of highly flexible, closely spaced, relatively long, thin points which flex substantially under the weight of the bare foot of the sandal wearer whereby the points massage the sole of the wearer under a walking motion or other movement of the foot.
Inventors
- 👤 Peter Andrew Foldes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:34
CPC Classifications
A; A43; A43B; A43B7/00; A43B7/14; A43B7/1405; A43B7/1455; A43B7/146; A43B13/00; A43B13/38
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
136 words
A sandal for human wear comprising: a. a sole portion of flexible material; b. an inner sole portion integral with the sole portion, wherein the inner sole is formed of a plurality of flexible points cone-shaped having a uniform height in the range of 0.20 inches, a base diameter in the range of 0.09 inches, and a pointed apex, said points extending upwardly from the sole portion and having a density of 36 points per square inch; and c. a top retaining strap portion integral with the sole portion; wherein the foot of a user when inserted into the sandal beneath the strap portion and into contact with the points of the inner sole, is constantly massaged during foot activity by the user through the action of the flexing of the points of the inner sole.
Claim 2
Dependent Claim
136 words
A sandal for human wear comprising: a. a sole portion of flexible material; b. an inner sole portion integral with the sole portion, wherein the inner sole is formed of a plurality of flexible points cone-shaped having a uniform height in the range of 0.20 inches, a base diameter in the range of 0.09 inches, and a pointed apex, said points extending upwardly from the sole portion and having a density of 36 points per square inch; and c. a top retaining strap portion integral with the sole portion; wherein the foot of a user when inserted into the sandal beneath the strap portion and into contact with the points of the inner sole, is constantly massaged during foot activity by the user through the action of the flexing of the points of the inner sole.
Claim 3
Dependent Claim
38 words
The sandal of claim 1 having a bottom sole portion formed of elevated elements integrally molded with the sole portion, the bottom sole portion having varying heights to form a contoured, concave, sole portion, and inner sole portion.
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) | 1981-06-19 | 1981-12-19 | 1982-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-06-19 | 1985-12-19 | 1986-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-06-19 | 1989-12-19 | 1990-06-20 | $7700.00 | Window Closed / Lapsed |