Patent US3664040A successfully refreshed from Google Patents.
US3664040A
Expired / Lapsed
US
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Shoe sole and method of making it
Assignee: Individual
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Filing: 1970-08-05
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Granted: 1972-05-23
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Expires: 1990-08-05
Abstract
Abstract A sole element for shoes having an edge band of thermoplastic material in lieu of a textile or other tape, and a method of making it.
Inventors
- 👤 Emil R Ouimet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:43
CPC Classifications
A; A43; A43B; A43B13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A shoe sole of the kind which comprises a blank whose peripheral edge is substantially vertical when the sole is in use and whose upper and lower surfaces, at least at their margins, are substantially parallel and perpendicular to said edge face, said sole having a marginal band extending along and concealing a selected portion of the edge of the blank, the band being approximately U-shape in transverse section with the legs of the U overlying the opposite margins, respectively, of the blank and with the outer edge face of the blank bend the band of the U; characterized in that the band is an endless unitary mass without joints of relatively rigid material comprising polyvinyl chloride integrally bonded to the material of the sole in an unstressed state of equilibrium, has an exposed surface which is hard and glossy and has a thickness at the edge face which is in the order of 0.5 mm.
Claim 2
Dependent Claim
156 words
A shoe sole of the kind which comprises a blank whose peripheral edge is substantially vertical when the sole is in use and whose upper and lower surfaces, at least at their margins, are substantially parallel and perpendicular to said edge face, said sole having a marginal band extending along and concealing a selected portion of the edge of the blank, the band being approximately U-shape in transverse section with the legs of the U overlying the opposite margins, respectively, of the blank and with the outer edge face of the blank bend the band of the U; characterized in that the band is an endless unitary mass without joints of relatively rigid material comprising polyvinyl chloride integrally bonded to the material of the sole in an unstressed state of equilibrium, has an exposed surface which is hard and glossy and has a thickness at the edge face which is in the order of 0.5 mm.
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) | 1975-05-23 | 1975-11-22 | 1976-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-23 | 1979-11-22 | 1980-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-23 | 1983-11-22 | 1984-05-23 | $7700.00 | Window Closed / Lapsed |