US PATENT SUBCLASS 264 / 172.1
.~.~.~ Having particular noncircular cross-section (e.g., T-configured, etc.)

Current as of: June, 1999
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264 /   HD   PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES

165  DF  FORMING CONTINUOUS OR INDEFINITE LENGTH WORK {8}
171.1  DF  .~ Layered, stratified traversely of length, or multiphase macrostructure containing material (e.g., conjugate, composite, islands-in-sea, core-sheath, etc.) {8}
171.26  DF  .~.~ Producing hollow composite {4}
172.1.~.~.~ Having particular noncircular cross-section (e.g., T-configured, etc.)

DEFINITION

Classification: 264/172.1

Having particular noncircular cross-section (e.g., T-configured, etc.):

(under subclass 171.26) Processes wherein the hollow composite is cross-sectionally uniform and not circular

(e.g., elliptical, star, hexagonal, dog-bone, etc.).

SEE OR SEARCH THIS CLASS, SUBCLASS:

172.12, for processes of producing composite strand, filament, or thread with noncircular cross-section.