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.

Date of Patent:
Feb. 24, 1981

Filed:

Jun. 04, 1979
Applicant:
Inventor:

Akira Kimura, Higashihokima, Adachi-ku, Tokyo, JP;

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B / ; A64B / ;
U.S. Cl.
CPC ...
272119 ; 36132 ; 272 96 ;
Abstract

A training aid for foot muscles comprising a toe portion having a core member made of heavy metal such as lead and a resilient surface member surrounding the core member, and a heel portion having a core member made of heavy metal such as lead and a resilient surface member surrounding the core member. The toe and heel portions are so shaped that they form substantially a sole configuration, when they are placed side by side on the sole of a shoe.


Find Patent Forward Citations

Kimura, Akira. (1981). Training aid for foot muscles (U.S. Patent No. 4252315). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4252315

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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