US PATENT SUBCLASS 235 / 60.49
.~.~.~.~.~ Locking devices

Current as of: June, 1999
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235 /   HD   REGISTERS

61 R  DF  CALCULATORS {52}
58 R  DF  .~ Recording {7}
60 R  DF  .~.~ Key set {31}
60.41  DF  .~.~.~ With traveling paper carriage {4}
60.47  DF  .~.~.~.~ Control of function by carriage {3}
60.49.~.~.~.~.~ Locking devices

DEFINITION

Classification: 235/60.49

(under subclass 60.47) Subject matter for controlling devices for locking various machine elements or for controlling interlocks between various elements of the machine.