The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 13, 1996
Filed:
Mar. 06, 1995
Applicant:
Inventors:
Karl M Schmidt, Woodside, CA (US);
Michelle R Schmidt, Palo Alto, CA (US);
George S Cole, Pebble Beach, CA (US);
Stuart E Jenkins, Thousand Oaks, CA (US);
Harry W Edwards, Barrington, IL (US);
Assignee:
Energaire Corporation, Pebble Beach, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; A43B / ;
U.S. Cl.
CPC ...
428178 ; 428 72 ; 428174 ; 428212 ; 4289088 ; 36 29 ; 36 3 / ;
Abstract
A plurality of bulges is molded into the heel portion or metatarsal portion of the bottom member of a shoe, the bulges respectively defining cavities. At least one restricted passageway is molded into the portion between the cavities. A sealing member is attached to the outer member by adhesive, whereby air at atmospheric pressure is permanently located in the space jointly defined by the passageway and the cavities.