US PATENT SUBCLASS 165 / 99
.~.~ Discharge grille or diffuser

Current as of: June, 1999
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165 /   HD   HEAT EXCHANGE

96  DF  WITH ADJUSTOR FOR HEAT, OR EXCHANGE MATERIAL, FLOW {3}
98  DF  .~ Adjustable radiator face covering means {1}
99.~.~ Discharge grille or diffuser

DEFINITION

Classification: 165/99

(under subclass 98) Apparatus in which the adjustable means is located at the discharge of the radiator.

SEE OR SEARCH CLASS

454, Ventilation,

284+, for a register controlling the discharge of air from a duct or housing.