US PATENT SUBCLASS 405 / 148
.~.~ Work platform

Current as of: June, 1999
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405 /   HD   HYDRAULIC AND EARTH ENGINEERING

132  DF  UNDERGROUND PASSAGEWAY, E.G., TUNNEL {6}
138  DF  .~ Boring {4}
148.~.~ Work platform

DEFINITION

Classification: 405/148

Work platform:

(under subclass 138) Method or apparatus wherein an artificial support for equipment or personnel is provided.

SEE OR SEARCH CLASS

182, Fire Escape, Ladder, or Scaffold, appropriate subclasses for a work platform in general.