US PATENT SUBCLASS 212 / 331
.~.~.~ Electric

Current as of: June, 1999
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212 /   HD   TRAVERSING HOISTS

71  DF  OVERHEAD {7}
328  DF  .~ Self-propelled trolley {2}
330  DF  .~.~ Load-handling {1}
331.~.~.~ Electric {2}
332  DF  .~.~.~.~> With grab
333  DF  .~.~.~.~> With guide bar {2}

DEFINITION

Classification: 212/331

Electric:

(under subclass 330) Subject matter comprising an electric power means for traversing and for hoisting the load.