US PATENT SUBCLASS 212 / 337
.~.~ Nonmotor hoisting

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

71  DF  OVERHEAD {7}
336  DF  .~ Nonmotor traverse {4}
337.~.~ Nonmotor hoisting

DEFINITION

Classification: 212/337

Nonmotor hoisting:

(under subclass 336) Subject matter in which the load is raised or lowered by an attendant.