US PATENT SUBCLASS 40 / 460
.~ Door latch operated


Current as of: June, 1999
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40 /   HD   CARD, PICTURE, OR SIGN EXHIBITING

446  DF  CHANGING EXHIBITOR {25}
460.~ Door latch operated


DEFINITION

Classification: 40/460

Door latch operated:

(under subclass 446) Device wherein movement of the means for bolting or unbolting the closure means causes movement of the display device.

SEE OR SEARCH CLASS

70, Locks,

432+, for locks provided with indicators for disclosing whether the lock has been opened or closed or otherwise tampered with, or its present condition locked or unlocked.