US PATENT SUBCLASS 212 / 203
.~ Fluid actuated

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

199  DF  HAVING BOOM SHIFTABLE VERTICALLY ALONG A LINEAR PATH {5}
203.~ Fluid actuated

DEFINITION

Classification: 212/203

Fluid actuated:

(under subclass 199) Apparatus wherein means are provided to move the boom* up or down relative to its support by application of a liquid or gas under pressure.

SEE OR SEARCH CLASS

254, Implements or Apparatus for Applying Pushing or Pulling Force,

93+, for fluid-actuating jacks.