US PATENT SUBCLASS 55 / 521
ZIGZAG, CORRUGATED, OR CONICAL


Current as of: June, 1999
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55 /   HD   GAS SEPARATION

521ZIGZAG, CORRUGATED, OR CONICAL


DEFINITION

Classification: 55/521

(under the class definition) Apparatus of cohesive filter material maintained in a configuration imposed upon it either by bonding upon itself or impregnants, or by inherent characteristic, the configuration taking a zigzag, corrugated or conical form.

SEE OR SEARCH THIS CLASS, SUBCLASS:

497, and 500, for cohesive sheet-like media in a flow line or frame and in zigzag form.