US PATENT SUBCLASS 15 / 327.3
.~.~.~.~ Air float or support

Current as of: June, 1999
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15 /   HD   BRUSHING, SCRUBBING, AND GENERAL CLEANING

3  DF  MACHINES {11}
300.1  DF  .~ With air blast or suction {26}
327.1  DF  .~.~ Tank type cleaner organization {3}
327.2  DF  .~.~.~ Casing feature {3}
327.3.~.~.~.~ Air float or support

DEFINITION

Classification: 15/327.3

Air float or support:

(under subclass 327.2) Subject matter having means to support the casing on air.