Boots – shoes – and leggings – Insoles – Laminated
Reexamination Certificate
2006-03-30
2010-02-16
Patterson, Marie (Department: 3728)
Boots, shoes, and leggings
Insoles
Laminated
C036S00300B
Reexamination Certificate
active
07661204
ABSTRACT:
An insole according to the present invention includes an upper layer defining at least one well containing a chemical indicator that gradually changes colors upon exposure to salt or sulfur. The insole includes a lower layer connected to the upper layer that includes an adhesive for stacking multiple insoles together in packaging and for holding the insole in place in a shoe. The insole includes an absorbent material for absorbing perspiration. Perspiration produces salt and bacterial and fungal degradation of keratin skin cells produces sulfur, leading to foot odor. The insole includes fungicide and deodorant for controlling this odor and the color change of the chemical in the well provides a visual indication of when a new insole (with it fungicide and deodorant) needs to be replenished through replacement.
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Patterson Marie
Ream Dale J.
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