US4501077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sole for boots and shoes
Assignee: Goodyear Tire and Rubber Co
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Filing: 1983-04-01
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Granted: 1985-02-26
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Expires: 2003-04-01
Abstract
Abstract This invention pertains to soles for boots and shoes. More particularly, it pertains to a sole that is useful for mountain climbing boots, hiking boots, walking shoes, and work shoes. This invention reveals a sole for boots, shoes and the like including a heel at the rear end of said sole, said sole having a pair of edges which extend the length of said sole, comprising: (a) said heel having a rear portion at the rear end of said heel and a breast at the front of said heel, said breast being substantially perpendicular to the length of the sole; (b) a toe portion at the front end of said sole (c) a shank area adjacent to said heel; and (d) a tread portion extending continuously between said toe portion and said shank area; said tread portion comprising: (1) a plurality of main lugs which are substantially perpendicular to the length of the sole, with said lugs increasing in width from the inside to the outer edge of the sole; and (2) a continuous center lug which is substantially parallel to the length of the sole and being connected to said plurality of main lugs on both of its sides, said center lug is approximately an equal distance from the edges of said sole.
Inventors
- 👤 Delton W. Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:43
CPC Classifications
A; A43; A43B; A43B13/00; A43B13/14; A43B13/22; A43B13/223; A43B5/00; A43B5/002
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
181 words
A sole for boots, shoes and the like, including a heel at the rear end of said sole, said sole having a pair of edges which extend the length of said sole, comprising: (a) said heel having a rear portion at the rear end of said heel and a breast at the front of said heel, said breast being substantially perpendicular to the length of the sole; (b) a toe portion at the front end of said sole (c) a shank area adjacent to said heel; and (d) a tread portion extending continuously between said toe portion and said shank area; said tread portion comprising: (1) a plurality of main lugs which are substantially perpendicular to the length of the sole, with said lugs increasing in width from the inside to the outer edge of the sole; and (2) a continuous center lug which is substantially parallel to the length of the sole and being connected to said plurality of main lugs on both of its sides, said center lug is approximately an equal distance from the edges of said sole.
Claim 2
Dependent Claim
181 words
A sole for boots, shoes and the like, including a heel at the rear end of said sole, said sole having a pair of edges which extend the length of said sole, comprising: (a) said heel having a rear portion at the rear end of said heel and a breast at the front of said heel, said breast being substantially perpendicular to the length of the sole; (b) a toe portion at the front end of said sole (c) a shank area adjacent to said heel; and (d) a tread portion extending continuously between said toe portion and said shank area; said tread portion comprising: (1) a plurality of main lugs which are substantially perpendicular to the length of the sole, with said lugs increasing in width from the inside to the outer edge of the sole; and (2) a continuous center lug which is substantially parallel to the length of the sole and being connected to said plurality of main lugs on both of its sides, said center lug is approximately an equal distance from the edges of said sole.
Claim 3
Dependent Claim
26 words
A sole as specified in claim 1 wherein said main lugs are tapered on both sides that are substantially perpendicular to the length of the sole.
Claim 4
Dependent Claim
36 words
A sole as specified in claim 2 wherein said main lugs are tapered on both sides that are substantially perpendicular to the length of the sole at an angle of taper of at least 15 degrees.
Claim 5
Dependent Claim
19 words
A sole as specified in claim 3 wherein said angle of taper is from 15 degrees to 30 degrees.
Claim 6
Dependent Claim
16 words
A sole as specified in claim 4 wherein said angle of taper is about 25 degrees.
Claim 7
Dependent Claim
19 words
A sole as specified in claim 1 wherein said main lugs are tapered toward the center of said sole.
Claim 8
Dependent Claim
40 words
A sole as specified in claim 1 wherein said main lugs are tapered toward the center of said sole from a point at least one-half the distance from the outer edge of the sole to the center of the sole.
Claim 9
Dependent Claim
39 words
A sole as specified in claim 7 wherein said main lugs are tapered toward the center of said sole from a point about three-fourths the distance from the outer edge of the sole to the center of the sole.
Claim 10
Dependent Claim
26 words
A sole as specified in claim 1 wherein said center lug is connected to an equal number of said main lugs on both of its sides.
Claim 11
Dependent Claim
25 words
A sole as specified in claim 1 wherein said heel portion and said toe portion are made of a harder rubber than said tread portion.
Claim 12
Dependent Claim
37 words
A sole as specified in claim 10 wherein said heel portion and said toe portion are made of a rubber that is about 15 rex points harder than the rubber from which the tread portion is made.
Claim 13
Dependent Claim
29 words
A sole as specified in claim 10 wherein said heel portion and said toe portion are made of a rubber that has a rex hardness of 75 to 80.
Claim 14
Dependent Claim
25 words
A sole as specified in claim 10 wherein said tread portion is made of a rubber that has a rex hardness of 60 to 65.
Claim 15
Dependent Claim
26 words
A sole as specified in claim 1 wherein said main lugs have buttresses on their sides that are substantially perpendicular to the length of the sole.
Claim 16
Dependent Claim
15 words
A sole as specified in claim 1 wherein said center lug has a zigzag design.
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) | 1988-02-26 | 1988-08-27 | 1989-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-02-26 | 1992-08-27 | 1993-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-02-26 | 1996-08-27 | 1997-02-26 | $7700.00 | Window Closed / Lapsed |