US PATENT SUBCLASS 279 / 7
THREADED GRIP
Current as of: June, 1999
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DEFINITION
Classification: 279/7
(under the class definition) Chucks adapted to hold short threaded pieces, as of pipes or rods, without marring the threads. Includes "nipple-chucks".
SEE OR SEARCH THIS CLASS, SUBCLASS:
99+, for shanks threaded into a holder or socket.
