US PATENT SUBCLASS 19 / 270
.~.~.~.~ Signal

Current as of: June, 1999
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19 /   HD   TEXTILES: FIBER PREPARATION

65 R  DF  WORKING {8}
236  DF  .~ Drafting {7}
258  DF  .~.~ Roll type {9}
266  DF  .~.~.~ Pressure-applying devices {9}
270.~.~.~.~ Signal

DEFINITION

Classification: 19/270

(under subclass 266) Method or means including a step of or means for giving a visible or audible response to the pressure or force imposed by the pressure applying device.