Insole

Details Insole Insole

1988-10-11

1990-06-12

Schroeder, Werner H.

Boots, shoes, and leggings

Insoles

36 44, A43B 1338

Patent

active

049321412

ABSTRACT:
An improved insole for a shoe comprising a plastic injection molded insole conforming to the shape of the foot and particularly the heel wherein a first oval cushion (typically 3 to 4 cm in length and 2 to 3 cm in width) of soft rubber is centrally located in a corresponding oval opening in the heel region and an optional teardrop shaped second cushion is attached to the top of the injection molded insole in the metatarsal region. Such an insole reduces fatigue, particularly in the case of prolonged standing.

REFERENCES:
patent: 492994 (1893-03-01), Sawyer
patent: 1146899 (1915-07-01), Parmelee
patent: 1841942 (1932-01-01), Fenton
patent: 1867431 (1932-07-01), Wood
patent: 2004425 (1935-06-01), Bain
patent: 2404731 (1946-07-01), Johnson
patent: 4240214 (1980-12-01), Sigle
patent: 4408402 (1983-10-01), Looney
patent: 4760655 (1988-08-01), Mauch
patent: 4793078 (1988-12-01), Andrews

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