US PATENT SUBCLASS 264 / 546
.~.~ Material shaped is a fabric, per se

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

500  DF  DIRECT APPLICATION OF FLUID PRESSURE DIFFERENTIAL TO PERMANENTLY SHAPE, DISTORT, OR SUSTAIN WORK {14}
544  DF  .~ Starting material is nonhollow planar finite length preform or product is finite length {6}
546.~.~ Material shaped is a fabric, per se

DEFINITION

Classification: 264/546

Material shaped is a fabric, per se:

(under subclass 544) Processes in which the material shaped is solely a woven or nonwoven fabric.

(1) Note. This does not include shaping of fabrics which are a reinforcing layer in a laminate but will include the temporary uniting of a fabric with a fluid impervious layer for purposes of shaping.