US PATENT SUBCLASS 30 / 268
.~.~.~ Spring tension


Current as of: June, 1999
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30 /   HD   CUTLERY

165  DF  CUTTING TOOLS {19}
173  DF  .~ Plural cooperating blades {6}
266  DF  .~.~ Joints and blade-tension means {3}
268.~.~.~ Spring tension {1}
269  DF  .~.~.~.~> Threadless pin type


DEFINITION

Classification: 30/268

(under subclass 266) Joints in which the proper pressure is applied to the blades by a spring.