US PATENT SUBCLASS 33 / 540
.~.~ Cylinder lock tumbler decoder

Current as of: June, 1999
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33 /   HD   GEOMETRICAL INSTRUMENTS

501  DF  GAUGE {61}
539  DF  .~ Lock or key {1}
540.~.~ Cylinder lock tumbler decoder

DEFINITION

Classification: 33/540

Cylinder lock tumbler decoder:

(under subclass 539) Subject matter wherein the contact each pin or lever of the lock to determine the shape of a key which will unlock the lock.

SEE OR SEARCH CLASS

70, Locks,

266+, for a dock operating mechanism and subclass 394 for key picking.