Footwear outsole

Boots – shoes – and leggings – Antislipping devices – String type

Reexamination Certificate

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Details

C036S03200A, C036S05900D, C036S02500A

Reexamination Certificate

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11020469

ABSTRACT:
An outsole for an article of footwear including a base and a plurality of lugs extending from the base in the forefoot and in the heel portions of the outsole. The lugs each include a leading edge and a trailing edge, and are individually contoured to include a profile increasing in height relative to the base from the leading edge to the trailing edge. The plurality of lugs can also collectively form a contour having an increasing height profile from toe to heel in both the forefoot portion and the heel portion of the outsole. The shape of the lugs, both individually and collectively, permits efficient energy return when walking and simultaneously provides localized, independent reactivity to accommodate a wearer's pressure profile and gait.

REFERENCES:
patent: 3005272 (1961-10-01), Shelare et al.
patent: 3006085 (1961-10-01), Bingham, Jr.
patent: 3581414 (1971-06-01), Crawford
patent: 4083125 (1978-04-01), Benseler et al.
patent: 4241524 (1980-12-01), Sink
patent: 4631842 (1986-12-01), Koskela
patent: 4769931 (1988-09-01), Morrow et al.
patent: 5216824 (1993-06-01), Blissett et al.
patent: 5768802 (1998-06-01), Bramani
patent: 5918385 (1999-07-01), Sessa
patent: 6029377 (2000-02-01), Niikura et al.
patent: 6792698 (2004-09-01), Kobayashi et al.
patent: 2002/0004999 (2002-01-01), Caine et al.
patent: 2002/0040539 (2002-04-01), Kobayashi et al.
patent: 2002/0144429 (2002-10-01), Hay

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