US PATENT SUBCLASS 279 / 157
.~ Protection means; e.g., cover, seal, overstress prevention, air blast


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

142  DF  ACCESSORY OR COMPONENT {8}
157.~ Protection means; e.g., cover, seal, overstress prevention, air blast


DEFINITION

Classification: 279/157

Protection means; e.g., cover, seal, overstress prevention, air blast:

(under subclass 142) A device which includes means for preserving the physical integrity, for limiting access thereto or for indicating tampering on the chuck or socket.

SEE OR SEARCH THIS CLASS, SUBCLASS:

43.9, for a feed type socket with means to exclude contaminants.

46.9, for a socket having spring-biased jaws and including means to exclude contaminants.