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:
Feb. 18, 2003
Filed:
Oct. 10, 2000
Carmel Buttigieg, Triq Il-Ferrovija Santa Venera, MT;
Yamamoto Limited, Valletta, MT;
Abstract
A plastic bellow system inserted into the sole of a shoe. The system having a first pair and a second pair of side-by-side plastic bellows in the forward portion and the rear portion of the shoe sole. The bellows placed in hollows formed in a midsole. The first pair of bellows having two convolutions with an opening formed in the lower convolution. The second pair of bellows having three convolutions with an opening formed in the lower convolution. A pneumatic valve associated with each bellows and the exterior of the midsole. The user can modify foot position by operating the valve of each bellows of the first and second pair of plastic bellows to inflate or deflate each bellows to thereby modify the volume of each bellows.