US PATENT SUBCLASS 70 / 265
.~.~ Serially operable

Current as of: June, 1999
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70 /   HD   LOCKS

262  DF  SYSTEMS {1}
263  DF  .~ Operation and control {2}
265.~.~ Serially operable

DEFINITION

Classification: 70/265

(under subclass 263) Devices which require successive or serial operation and control.