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US4060917A Expired / Lapsed US ⏱️ 0.0 years remaining

Sole structure particularly for climbing-boots

Assignee: Individual
•
Filing: 1976-07-12
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Granted: 1977-12-06
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Expires: 1996-07-12
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Abstract

Abstract A sole structure particularly for rock climbing footwear, comprising a toe or front part and a heel or rear part. The toe and heel parts are both provided along the bottom perimeter thereof, substantially in the shape of a horseshoe, with a plurality of first lugs extending substantially perpendicular with respect to the perimeter or horseshoe path. Internally to the perimeter or horseshoe path, a plurality of second lugs extend in a direction substantially perpendicular to the sole longitudinal direction. The first and second lugs project from the sole with opposed inclinations with respect to a perpendicular direction to the sole.

Inventors

  • 👤 Romolo Canale

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 15:59
CPC Classifications
A; A43; A43B; A43B13/00; A43B13/14; A43B13/22; A43B13/223

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 143 words
A sole structure particularly for rock climbing footwear comprising essentially a toe or front part and a heel or rear part, both said toe and heel having along the bottom perimeter thereof, substantially in the shape of a horseshoe, a plurality of first lugs extending substantially perpendicularly with respect to said perimeter, and internally to said perimeter a plurality of second lugs extending in a direction substantially perpendicular to said sole longitudinal direction, wherein said first lugs and the adjacent second lugs project from said sole with opposed inclinations with respect to a perpendicular direction to said sole, said first lugs provided on said front part of said sole being inclined opposite to said first lugs provided on said heel and said second lugs provided on said front part of said sole being inclined opposite to said second lugs provided on said heel.
Claim 2
Dependent Claim 143 words
A sole structure particularly for rock climbing footwear comprising essentially a toe or front part and a heel or rear part, both said toe and heel having along the bottom perimeter thereof, substantially in the shape of a horseshoe, a plurality of first lugs extending substantially perpendicularly with respect to said perimeter, and internally to said perimeter a plurality of second lugs extending in a direction substantially perpendicular to said sole longitudinal direction, wherein said first lugs and the adjacent second lugs project from said sole with opposed inclinations with respect to a perpendicular direction to said sole, said first lugs provided on said front part of said sole being inclined opposite to said first lugs provided on said heel and said second lugs provided on said front part of said sole being inclined opposite to said second lugs provided on said heel.

References Cited (Backward Citations)

US2433303A Cited
CH256495A Cited
AT176153B Cited
US2981011A Cited
US3006085A Cited
US3507059A Cited
US3717943A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1980-12-05 1981-06-06 1981-12-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1984-12-05 1985-06-06 1985-12-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1988-12-05 1989-06-06 1989-12-06 $7700.00 Window Closed / Lapsed

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