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:
May. 08, 1984
Filed:
Sep. 28, 1982
Applicant:
Inventors:
Paul H Johnson, Tulsa, OK (US);
Robert B Stevenson, Tulsa, OK (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A43B / ; A43B / ; A43B / ;
U.S. Cl.
CPC ...
36 29 ; 36 28 ; 36 43 ;
Abstract
Footwear having improved shock absorption in a shoe having a heel and box portion, a first flat elastomeric bladder supported by the shoe heel portion to bear the weight of the heel of the foot of a user, an elastomeric bladder portion supported by the shoe box portion to bear the weight of the ball portion of the foot of a user, a conduit connecting the first and second bladders, and a valve in the conduit permitting a selectable rate of flow of fluid between the bladders.