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US4333247A Expired / Lapsed US ⏱️ 0.0 years remaining

Footwear article and process

Assignee: TAK PLAST Co
•
Filing: 1978-12-06
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Granted: 1982-06-08
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Expires: 1998-12-06
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Abstract

Abstract An article of footwear and process for making same in which upper portions of a shoe are fastened to a synthetic sole by placing portions of the upper through slots on the outer periphery of the sole turning same under, and fastening same by coaction of an undersole to the sole; the uppers fastened by means of studs which traverse therethrough to blind holes disposed on opposed faces of the sole and undersole.

Inventors

  • 👤 Lamberto Marinelli

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 03:53
CPC Classifications
A; A43; A43B; A43B9/00; A43B13/00; A43B13/28; A43B3/00; A43B3/12; A43B3/122

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 149 words
An article of footwear comprising a sole having top and bottom faces, at least two slots disposed on opposed sides of said sole extending through the top and bottom faces, at least two cut out areas on the bottom face of the sole proximate to said slots, an upper having portions adapted to be threaded through said slots and folded onto said cut out areas, an undersole, and means to connect said undersole to said sole with said portions of said upper securely clamped therebetween. In which the said two slots are disposed near a front toe area of said sole, and two additional slots are provided near the rear heel area of said sole, a cutaway area extending between said last two additional slots on the bottom face of said sole, and a strap threaded through said two additional slots and running along said last named cutaway area.
Claim 2
Dependent Claim 149 words
An article of footwear comprising a sole having top and bottom faces, at least two slots disposed on opposed sides of said sole extending through the top and bottom faces, at least two cut out areas on the bottom face of the sole proximate to said slots, an upper having portions adapted to be threaded through said slots and folded onto said cut out areas, an undersole, and means to connect said undersole to said sole with said portions of said upper securely clamped therebetween. In which the said two slots are disposed near a front toe area of said sole, and two additional slots are provided near the rear heel area of said sole, a cutaway area extending between said last two additional slots on the bottom face of said sole, and a strap threaded through said two additional slots and running along said last named cutaway area.
Claim 3
Dependent Claim 26 words
The article of claim 1 in which a peripheral rim is disposed around the bottom face of said sole and said undersole nests within said rim.
Claim 4
Dependent Claim 13 words
The article of claim 2 in which said undersole is of two pieces.
Claim 5
Dependent Claim 45 words
The article of claim 1 in which said means to connect said undersole to said sole comprises studs disposed on said undersole and holes to register therewith disposed on said sole, some of said studs passing through the folded portions of said upper for retention.
Claim 6
Independent Claim 91 words
A method for making footwear the steps comprising: forming a sole of plastic material, providing said sole with at least two slots on opposed sides of said sole near one end thereof threading end portions of an upper through said slots and folding these portions onto a bottom face of said sole, said end portions provided with holes, providing an undersole with studs and the bottom face of said sole with openings in registry with the studs and fastening said undersole to said sole, thereby fastening said upper end portions therebetween.
Claim 7
Independent Claim 91 words
A method for making footwear the steps comprising: forming a sole of plastic material, providing said sole with at least two slots on opposed sides of said sole near one end thereof threading end portions of an upper through said slots and folding these portions onto a bottom face of said sole, said end portions provided with holes, providing an undersole with studs and the bottom face of said sole with openings in registry with the studs and fastening said undersole to said sole, thereby fastening said upper end portions therebetween.
Claim 8
Dependent Claim 50 words
The method of claim 5 further including providing a second pair of slots on the sole at the end remote from said first two slots, providing a cutaway on the bottom face extending between said second pair of slots, and threading a strap through said slots upon said cutaway portion.
Claim 9
Dependent Claim 17 words
The method of claim 6 further providing a peripheral lip on the bottom face of said sole.

References Cited (Backward Citations)

US2092533A Cited
US2468573A Cited
US3494055A Cited
US3599353A Cited
DE2223546A1 Cited
FR2226805A5 Cited
US3925914A Cited
DE2346370A1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1985-06-07 1985-12-07 1986-06-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1989-06-07 1989-12-07 1990-06-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1993-06-07 1993-12-07 1994-06-08 $7700.00 Window Closed / Lapsed

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