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US 11,882,896 B2Granted
Shoe bottom surface having attached particles
AssigneeDynasty Footwear, Ltd.
InventorJohn C. S. Koo
Life of this patent
Estimating the term…
Abstract
Provided is a shoe that includes a sole that: (i) has a bottom surface that is adjacent to the ground in normal use, and (ii) is comprised of both a base material forming a main structure and individual leather particles attached to the base material on the bottom surface of the sole. The individual leather particles may have a median size within a range of 0.3 to 4.0 millimeters (mm). In addition, or instead, individual second particles made of a material other than leather also are attached to the base material on the bottom surface of the sole.
Claims16
A shoe comprising:
- (a) a sole that:
- (i) has a bottom surface that is adjacent to a ground surface in normal use, and (ii) is comprised of a base material forming a main structure together with a plurality of compact individual first particles made of leather and a plurality of individual second particles made of a second material other than leather, with the compact individual first particles and the individual second particles attached to the base material on the bottom surface of the sole;
- and
- (b) an upper portion extending above the sole,
- wherein the compact individual first particles have a median size within a range of 0.4 to 3.0 millimeters (mm).
2 more elements
Dependencies are inferred from the claim text.