Title: Shoe construction

Abstract: This disclosure pertains to a shoe construction in which a sack is disposed within a cavity formed between the inner and outer sole of a shoe. An air valve may extend through the side walls of the cavity permitting the sack to be filled with a fluid. Selective portions of the insole are fixedly secured with the abutting surface of the sack so as to provide stiffer foot supporting areas thereat than adjacent unsecured areas.

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Inventors: Thompson, Charles (Brooklyn, NY, US)

Application Number: 711241
Filing Date: 1976-08-03
Publication_date: 1977-04-12
Assignee:
Primary Class(es): 36/29
Other Classes:
US Patent Ref:

580501	Apr, 1897	Mobberley	36/29.
1010187	Nov, 1911	Scott	36/29.
1506975	Sep, 1924	Cooney	36/29.
2037230	Apr, 1936	Hack	36/29.
2605560	Aug, 1952	Gouabault	36/29.
2981010	Apr, 1961	Aaskov	36/29.
3120712	Feb, 1964	Menkin	36/29.

Other Refs:
Primary Examiner: Guest, Alfred R.
Assistant Examiner:
Attorney: Farkas; Robert D.