US PATENT SUBCLASS 70 / 460
.~.~ Key identification

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}
460.~.~ Key identification

DEFINITION

Classification: 70/460

(under subclass 447) Subject matter directed to means incorporated in the lock operating construction for identifying the combination of the key bitting.

SEE OR SEARCH CLASS

40, Card, Picture, or Sign Exhibiting,

330, for keys merely carrying indicia.