US PATENT SUBCLASS 70 / 453
.~.~ Key guides, internal


Current as of: June, 1999
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70 /   HD   LOCKS

431  DF  PARTS, ATTACHMENTS, ACCESSORIES AND ADJUNCTS {9}
447  DF  .~ For key-operated mechanism {7}
453.~.~ Key guides, internal


DEFINITION

Classification: 70/453

(under subclass 447) Subject matter which acts as a track or guide for the reception of the operating portion of a key and which usually is a part of the interior construction of the lock operating mechanism.