US PATENT SUBCLASS 162 / 231
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Current as of: June, 1999
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162 /   HD   PAPER MAKING AND FIBER LIBERATION

100  DF  PROCESSES AND PRODUCTS {31}
231.~ Articles


DEFINITION

Classification: 162/231

(under subclass 100) Products which are deposited fibrous articles having some significant structural shape or characteristic other than a web or sheet.

(1) Note. The significant characteristic may be surface texture or configuration. This subclass does not include articles of manufacture having structure which is classifiable in some class providing for that structure, even though it be made of deposited fibrous material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

109+, for nonuniform, irregular or configured sheets or webs.

SEE OR SEARCH CLASS

181, Acoustics,

169, for fibrous material acoustical diaphragms.