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.