US PATENT SUBCLASS 264 / 171.21
.~.~.~.~ Producing ribbon, tape, or sheet (e.g., extrusion, 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}
171.13  DF  .~.~ Utilizing indefinite length preform {4}
171.14  DF  .~.~.~ Of metal {7}
171.21.~.~.~.~ Producing ribbon, tape, or sheet (e.g., extrusion, etc.)

DEFINITION

Classification: 264/171.21

Producing ribbon, tape, or sheet (e.g., extrusion, etc.):

(under subclass 171.14) Processes wherein the layered metal preform is a ribbon, tape, or sheet or is shaped to form a ribbon, tape, or sheet.