US PATENT SUBCLASS 55 / 514
.~.~ Fused or bonded to a supporting or backing member

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

490  DF  WITH MEANS SECURING OR RETAINING SEPARATING MEDIA {7}
512  DF  .~ Discrete fibrous or particulate solids {4}
514.~.~ Fused or bonded to a supporting or backing member

DEFINITION

Classification: 55/514

(under subclass 512) Apparatus wherein the media is joined to a securing, sustaining, or handling means by heat or by adhesion.

SEE OR SEARCH CLASS

156, Adhesive Bonding and Miscellaneous Chemical Manufacture, appropriate subclasses for adhesively bonding particulate material to a backing member.