US PATENT SUBCLASS 279 / 150
.~.~ Nonseparable or built-in

Current as of: June, 1999
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279 /   HD   CHUCKS OR SOCKETS

142  DF  ACCESSORY OR COMPONENT {8}
147  DF  .~ Chuck key {3}
150.~.~ Nonseparable or built-in

DEFINITION

Classification: 279/150

Nonseparable or built in:

(under subclass 147) A device which is permanently attached to the chuck.