US PATENT SUBCLASS 29 / 902
FILTER MAKING


Current as of: June, 1999
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29 /   HD   METAL WORKING

902FILTER MAKING


DEFINITION

Classification: 29/902

FILTER MAKING:

(under the class definition) Cross-reference art collections of documents relating to a method of manufacturing a perforated or porous metal article which separates particles from materials flowing through the articles.

SEE OR SEARCH THIS CLASS, SUBCLASS:

896.62, for a method of making a multiperforated metal filter.

SEE OR SEARCH CLASS

264, Plastic and Nonmetallic Article Shaping or Treating: Processes,

41+, for a method of pore forming in situ a nonmetallic article or an article formed from particulate material, and subclasses 109+ for a method of forming articles by uniting randomly associated particles.

419, Powder Metallurgy Processes, for a method of making an article by powder metallurgy techniques.