US PATENT SUBCLASS 454 / 67
.~ Having canopy exhaust hood

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


454 /   HD   VENTILATION

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

DEFINITION

Classification: 454/67

Having canopy exhaust hood:

(under subclass 49) 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:

65, for a workstation ventilator having a moveable, canopy exhaust hood.