US PATENT SUBCLASS 454 / 65
.~.~ Having canopy exhaust hood

Current as of: June, 1999
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454 /   HD   VENTILATION

49  DF  WORKSTATION VENTILATOR (E.G., HOOD, OFFTAKE, ETC.) {5}
63  DF  .~ Movable {2}
65.~.~ Having canopy exhaust hood

DEFINITION

Classification: 454/65

Having canopy exhaust hood:

(under subclass 63) Subject matter comprising a cover-like structure above the task area which includes means to collect and exhaust air from the area.

SEE OR SEARCH THIS CLASS, SUBCLASS:

67, for a workstation ventilator having a nonmoveable canopy exhaust hood.