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US4547979A Expired / Lapsed US ⏱️ 0.0 years remaining

Athletic shoe sole

Assignee: Nippon Rubber Co Ltd
•
Filing: 1984-06-19
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Granted: 1985-10-22
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Expires: 2004-06-19
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Abstract

Abstract An athletic shoe sole constructed to provide good cushioning and durability and to preclude overpronation of the foot. An outersole body progressively increases in thickness toward the inside edge of the sole from a longitudinal midline axis of thereof in a region extending from a heel portion to an arch portion of the outersole body, and is provided with a plurality of projection harder than the outersole body secured to its lower surface on an inner side of a heel portion of the outersole body and a plurality of projections softer than the outersole body secured to its lower surface on the remaining region of the outersole body. A cushioning midsole has a shape in section complementary to the thickness of the outersole body is overlaid on it.

Inventors

  • 👤 Masasuke Harada
  • 👤 Yoshiharu Moronaga

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 21:30
CPC Classifications
A; A43; A43B; A43B5/00; A43B5/06; A43B13/00; A43B13/02; A43B13/12

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 127 words
An athletic shoe sole comprising an outersole including an outersole body progressively increasing in thickness toward the inside edge of the sole at least on an inner side of a longitudinal midline axis of a heel portion of the outersole body, a plurality of projections harder than the outersole body secured to the lower surface of the heel portion on the inner side and a plurality of projections softer than the outersole body secured to the remaining area of the outersole body, and a cushioning midsole overlaid on said outersole body and progressively decreasing in thickness toward the inside edge of the sole on an inner side of a longitudinal midline axis of a heel portion of the midsole complementary to the thickness of the outersole body.
Claim 2
Dependent Claim 127 words
An athletic shoe sole comprising an outersole including an outersole body progressively increasing in thickness toward the inside edge of the sole at least on an inner side of a longitudinal midline axis of a heel portion of the outersole body, a plurality of projections harder than the outersole body secured to the lower surface of the heel portion on the inner side and a plurality of projections softer than the outersole body secured to the remaining area of the outersole body, and a cushioning midsole overlaid on said outersole body and progressively decreasing in thickness toward the inside edge of the sole on an inner side of a longitudinal midline axis of a heel portion of the midsole complementary to the thickness of the outersole body.

References Cited (Backward Citations)

US4307521A Cited
JPS54127750A Cited
US4255874A Cited
US4399620A Cited
US4364189A Cited
JPS5849101A Cited
EP0096819A1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1988-10-21 1989-04-22 1989-10-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1992-10-21 1993-04-22 1993-10-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1996-10-21 1997-04-22 1997-10-22 $7700.00 Window Closed / Lapsed

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