Patent US3719965A successfully refreshed from Google Patents.
US3719965A
Expired / Lapsed
US
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Method of making footwear soles
Assignee: PARTTZKY SA ETS
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Filing: 1971-04-13
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Granted: 1973-03-13
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Expires: 1991-04-13
Abstract
Abstract A method of making soles for shoes wherein the soles are cut from extruded material in strip form having a plurality of integrated cylinders extinding transversely of the strip. A relatively thick heel portion is extruded as part of the strip.
Inventors
- 👤 J Chevallereau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:10
CPC Classifications
A; A43; A43B; A43B13/00; A43B13/14; A43B13/18; A43B13/20; A43B13/206; A43B13/02; A43B13/04; A43B13/181; A43B13/184
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
76 words
A method of making footwear soles, said soles including transverse cylindrical elements extending from one side of each sole to the other, comprising the steps of extruding a long unitary sole-strip having a section substantially corresponding to the desired sole profile and including a plurality of integrated cylinders extending in the extrusion direction, and cutting the soles from said strip in such a way said cylinders are out transversally to form said sole transverse cylindrical elements.
Claim 2
Independent Claim
76 words
A method of making footwear soles, said soles including transverse cylindrical elements extending from one side of each sole to the other, comprising the steps of extruding a long unitary sole-strip having a section substantially corresponding to the desired sole profile and including a plurality of integrated cylinders extending in the extrusion direction, and cutting the soles from said strip in such a way said cylinders are out transversally to form said sole transverse cylindrical elements.
Claim 3
Independent Claim
76 words
A method of making footwear soles, said soles including transverse cylindrical elements extending from one side of each sole to the other, comprising the steps of extruding a long unitary sole-strip having a section substantially corresponding to the desired sole profile and including a plurality of integrated cylinders extending in the extrusion direction, and cutting the soles from said strip in such a way said cylinders are out transversally to form said sole transverse cylindrical elements.
Claim 4
Independent Claim
76 words
A method of making footwear soles, said soles including transverse cylindrical elements extending from one side of each sole to the other, comprising the steps of extruding a long unitary sole-strip having a section substantially corresponding to the desired sole profile and including a plurality of integrated cylinders extending in the extrusion direction, and cutting the soles from said strip in such a way said cylinders are out transversally to form said sole transverse cylindrical elements.
Claim 5
Dependent Claim
21 words
A method according to claim 1 wherein a relatively thick heel element is extruded with the other parts of the 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) | 1976-03-12 | 1976-09-11 | 1977-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-12 | 1980-09-11 | 1981-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-12 | 1984-09-11 | 1985-03-13 | $7700.00 | Window Closed / Lapsed |