US PATENT SUBCLASS 623 / 48
.~.~ Universal joint

Current as of: June, 1999
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623 /   HD   PROSTHESIS (I.E., ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACCESSORIES THEREFOR

27  DF  LEG {9}
47  DF  .~ Ankle {2}
48.~.~ Universal joint {1}
49  DF  .~.~.~> Resilient

DEFINITION

Classification: 623/48

Universal joint:

(under subclass 47) Subject matter having a joint or coupling allowing an ankle prosthesis to rotate through 360 degrees.