US PATENT SUBCLASS 601 / 8
.~.~ With spring-actuating means

Current as of: June, 1999
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601 /   HD   SURGERY: KINESITHERAPY

1  DF  KINESITHERAPY {8}
6  DF  .~ Vacuum {8}
8.~.~ With spring-actuating means

DEFINITION

Classification: 601/8

With spring-actuating means:

(under subclass 6) Subject matter wherein a piston, which produces the vacuum, is biased in either its forward or return motion.