US PATENT SUBCLASS 212 / 328
.~ Self-propelled trolley


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

71  DF  OVERHEAD {7}
328.~ Self-propelled trolley {2}
329  DF  .~.~> Automatic traversing stop
330  DF  .~.~> Load-handling {1}


DEFINITION

Classification: 212/328

Self-propelled trolley:

(under subclass 71) Subject matter comprising a carriage provided with means for moving itself along a track.

SEE OR SEARCH CLASS

186, Merchandising,

29, for similar devices specially adapted for store service use.