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US4122574A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making footwear

Assignee: UNIROYAL HOLDING Inc WORLD HEADQUARTERS MIDDLEBURY CONNECTICUT 06749 A CORP OF NEW JERSEY
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Filing: 1977-04-14
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Granted: 1978-10-31
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Expires: 1997-04-14
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Abstract

Abstract An article of footwear and method of making the same which does not require adhesives on the upper to attach a smooth upper to an insole, outsole and foxing. A first strip having an outer surface of uncured elastomeric material is stitched to the lower edge of the upper and a second strip having inner and outer surfaces of uncured elastomeric material is stitched to the first strip at approximately a right angle thereto. An insole and an outsole are attached to the inner and outer surfaces, respectively, of the second strip.

Inventors

  • 👤 Victor L. Karalis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 23:33
CPC Classifications
A; A43; A43B; A43B9/00; A43B9/02

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 87 words
The method of making an article of footwear comprising: stitching a first strip having an outer surface comprising uncured elastomeric material to the lower edge of an upper of an article of footwear; stitching a second strip having inner and outer surfaces comprising uncured elastomeric material to said first strip at approximately a right angle thereto; attaching said inner surface of said second strip to the bottom surface of an insole; and attaching said outer surface of said second strip to the top surface of an outsole.
Claim 2
Independent Claim 87 words
The method of making an article of footwear comprising: stitching a first strip having an outer surface comprising uncured elastomeric material to the lower edge of an upper of an article of footwear; stitching a second strip having inner and outer surfaces comprising uncured elastomeric material to said first strip at approximately a right angle thereto; attaching said inner surface of said second strip to the bottom surface of an insole; and attaching said outer surface of said second strip to the top surface of an outsole.
Claim 3
Dependent Claim 40 words
The method in accordance with claim 1 in which the step of stitching a first strip to the lower edge of an upper comprises stitching a first strip to the lower edge of a smooth leather upper of a shoe.
Claim 4
Dependent Claim 39 words
The method in accordance with claim 1 in which the step of stitching a first strip to the lower edge of an upper comprises stitching a first strip to the lower edge of a nylon upper of a shoe.
Claim 5
Dependent Claim 27 words
The method in accordance with claim 1 which includes the step of attaching a foxing to the outer surface of said first strip and to said outsole.
Claim 6
Dependent Claim 17 words
The method in accordance with claim 1 which includes the step of curing said article of footwear.
Claim 7
Dependent Claim 76 words
The method in accordance with claim 1 wherein said step of stitching a first strip to the lower edge of an upper comprises stitching a first strip of fabric having an outer surface comprising uncured elastomeric material to said lower edge of said upper and said step of stitching a second strip to said first strip comprises stitching a second strip of fabric having inner and outer surfaces comprising uncured elastomeric material to said first strip.

References Cited (Backward Citations)

US1735986A Cited
US1937074A Cited
US3029823A Cited
US3044189A Cited
US3175308A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-10-30 1982-05-01 1982-10-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-10-30 1986-05-01 1986-10-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-10-30 1990-05-01 1990-10-31 $7700.00 Window Closed / Lapsed

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