US PATENT SUBCLASS 212 / 181
.~.~.~ And having motor to swing boom

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

175  DF  HAVING MEANS FACILITATING ASSEMBLY OR DISASSEMBLY {4}
179  DF  .~ Of traversing hoist from support {1}
180  DF  .~.~ Vehicle support {1}
181.~.~.~ And having motor to swing boom

DEFINITION

Classification: 212/181

And having motor to swing boom:

(under subclass 180) Apparatus having a pivotally mounted boom* and power means to pivot the boom.