US PATENT SUBCLASS 279 / 104
.~ Barbed or pronged tang

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

9.1  DF  SOCKET TYPE {27}
104.~ Barbed or pronged tang

DEFINITION

Classification: 279/104

(under subclass 9) Devices, the tang provided with prongs, barbs, or the like, that enter the walls of the socket and prevent withdrawals.