US3739502A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Footwear, its method of manufacture, and welt material therefor
Assignee: Ro-Search Inc
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Filing: 1971-08-25
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Granted: 1973-06-19
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Expires: 1991-08-25
Abstract
Abstract Footwear, its method of manufacture, and welt material therefor, wherein the welt material is a strip of moldable elastomer which may include for better stitching a strand of textile material, the strip being first secured such as by stitching to the upper and thereafter molded to form a welt bonded to the upper and to the thread of the stitching.
Inventors
- 👤 H Auberry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:24
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/02; B65D81/022; A; A43; A43B; A43B15/00
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
58 words
A shoe comprising an upper, a welt of moldable elastomeric material and a sole, said welt being secured to the lower marginal portion of said upper by stitching, said welt being molded and bonded to the outer face of the lower marginal portion of said upper and also to said stitching, said sole being secured to said welt.
Claim 2
Dependent Claim
58 words
A shoe comprising an upper, a welt of moldable elastomeric material and a sole, said welt being secured to the lower marginal portion of said upper by stitching, said welt being molded and bonded to the outer face of the lower marginal portion of said upper and also to said stitching, said sole being secured to said welt.
Claim 3
Dependent Claim
30 words
A shoe as set forth in claim 1 further including a textile reinforcing strand bonded to the lower face of said elastomeric welt and said stitching extending through said strand.
Claim 4
Independent Claim
88 words
The method of manufacture of footwear comprising placing a strip of moldable elastomeric material to form a welt against the outer face of the bottom margin of an upper, stitching said strip to the bottom margin of said upper, placing said strip and bottom margin of said upper in a mold, molding and curing said strip so that said strip is formed into a welt and bonded to said bottom edge of said upper and to the thread of said stitching, and attaching the sole to said welt.
Claim 5
Independent Claim
88 words
The method of manufacture of footwear comprising placing a strip of moldable elastomeric material to form a welt against the outer face of the bottom margin of an upper, stitching said strip to the bottom margin of said upper, placing said strip and bottom margin of said upper in a mold, molding and curing said strip so that said strip is formed into a welt and bonded to said bottom edge of said upper and to the thread of said stitching, and attaching the sole to said welt.
Claim 6
Dependent Claim
45 words
The method as set forth in claim 3 further characterized in that a strand of textile material is adhered to the face of said strip of moldable elastomeric material before said strip is placed against the outer face of the bottom margin of said upper.
Claim 7
Dependent Claim
60 words
A shoe comprising an upper, a welt of moldable elastomeric material and a sole, said welt being secured to the lower marginal portion of said upper by stitching, said welt being molded to the configuration of the lower marginal portion of said upper and in intimate contact therewith and bonded to said stitching, said sole being secured to said welt.
Claim 8
Dependent Claim
60 words
A shoe comprising an upper, a welt of moldable elastomeric material and a sole, said welt being secured to the lower marginal portion of said upper by stitching, said welt being molded to the configuration of the lower marginal portion of said upper and in intimate contact therewith and bonded to said stitching, said sole being secured to said welt.
Claim 9
Dependent Claim
59 words
A shoe comprising an upper, a welt of moldable elastomeric material and a sole, means securing said welt to the lower marginal portion of said upper, said welt being molded to the configuration of the lower marginal portion of said upper and in intimate contact therewith and bonded to said securing means, said sole being secured to said welt.
Claim 10
Dependent Claim
59 words
A shoe comprising an upper, a welt of moldable elastomeric material and a sole, means securing said welt to the lower marginal portion of said upper, said welt being molded to the configuration of the lower marginal portion of said upper and in intimate contact therewith and bonded to said securing means, said sole being secured to said welt.
Claim 11
Dependent Claim
31 words
A shoe as set forth in claim 6 further including a textile reinforcing strand bonded to the lower face of said elastomeric welt and Said securing means extending through said strand.
Claim 12
Independent Claim
66 words
The method of manufacture of footwear comprising placing a strip of moldable elastomeric material to form a welt against the bottom margin of an upper, securing said strip to the bottom margin of said upper, placing said strip and bottom margin of said upper in a mold, molding said strip so that said strip is formed into a welt, and attaching the sole to said welt.
Claim 13
Independent Claim
66 words
The method of manufacture of footwear comprising placing a strip of moldable elastomeric material to form a welt against the bottom margin of an upper, securing said strip to the bottom margin of said upper, placing said strip and bottom margin of said upper in a mold, molding said strip so that said strip is formed into a welt, and attaching the sole to said welt.
Claim 14
Dependent Claim
42 words
The method as set forth in claim 8 further characterized in that a strand of textile reinforcement material is adhered to the face of said strip of moldable elastomeric material before said strip is placed against the bottom margin of said upper.
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) | 1976-06-18 | 1976-12-18 | 1977-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-18 | 1980-12-18 | 1981-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-18 | 1984-12-18 | 1985-06-19 | $7700.00 | Window Closed / Lapsed |