US PATENT SUBCLASS 72 / 433
.~.~ Including metallic spring connection


Current as of: June, 1999
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72 /   HD   METAL DEFORMING

429  DF  WITH MEANS TO DRIVE TOOL {11}
431  DF  .~ Including yieldable connection in drive train to movable tool {2}
433.~.~ Including metallic spring connection {1}
434  DF  .~.~.~> Coil spring


DEFINITION

Classification: 72/433

Including metallic spring connection:

(under subclass 431) Apparatus wherein the motion-transmitting mechanism includes an elastic body made of metal*.