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US4354319A Expired / Lapsed US ⏱️ 0.0 years remaining

Athletic shoe

Assignee: Individual
•
Filing: 1980-12-19
•
Granted: 1982-10-19
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Expires: 2000-12-19
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Abstract

Abstract An improved athletic shoe in which the solepiece has a wedge to facilitate supporting the runner's foot when contacting the ground; the toe box section being provided with pleats to allow expansion for toe movement when the foot flexes; the solepiece is provided with a flexure break segment of reduced thickness following the phalangal-metatarsal joint line of action of the human foot to permit differential flexure of the solepiece in a manner following such lines of action; and the heel part of the solepiece is rounded for optimizing initial and following ground foot contact.

Inventors

  • 👤 Barry H. Block
  • 👤 Stanley Beekman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 05:38
CPC Classifications
A; A43; A43B; A43B13/00; A43B13/14; A43B13/141; A43B1/00; A43B1/0018; A43B13/143; A43B13/148; A43B23/00; A43B23/02; A43B23/0245; A43B23/0295; A43B5/00; A43B5/06

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 91 words
An athletic shoe comprising: an elongated solepiece having a ground engaging bottom surface, and an upper surface on which the wearer's foot is received, and an upper piece secured to said solepiece, said upper piece providing a close encircling foot enclosure extending from a counter section at the rear of the foot to a toe box section at the front, said upper piece toe box section being provided with pleats rendering said toe box section expansible when the remainder of said upper piece is flexed relative to said toe box section.
Claim 2
Dependent Claim 91 words
An athletic shoe comprising: an elongated solepiece having a ground engaging bottom surface, and an upper surface on which the wearer's foot is received, and an upper piece secured to said solepiece, said upper piece providing a close encircling foot enclosure extending from a counter section at the rear of the foot to a toe box section at the front, said upper piece toe box section being provided with pleats rendering said toe box section expansible when the remainder of said upper piece is flexed relative to said toe box section.
Claim 3
Dependent Claim 18 words
The athletic shoe of claim 1 in which said pleats are disposed transversely of said toe box section.
Claim 4
Dependent Claim 42 words
The athletic shoe of claim 1 in which the upper surface of said solepiece is provided with an upwardly projecting ridge member for underlying and supporting the second to fourth toes of the human foot under the interphalangal joints of such toes.

References Cited (Backward Citations)

GB323851A Cited
US1974543A Cited
GB448085A Cited
US2158153A Cited
GB527169A Cited
US2507120A Cited
GB1152212A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1985-10-18 1986-04-19 1986-10-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1989-10-18 1990-04-19 1990-10-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1993-10-18 1994-04-19 1994-10-19 $7700.00 Window Closed / Lapsed

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