US PATENT SUBCLASS 442 / 397
.~.~ Fluorinated olefin polymer or copolymer sheet or film (e.g., TeflonR, etc.)

Current as of: June, 1999
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442 /   HD   FABRIC (WOVEN, KNITTED, OR NONWOVEN TEXTILE OR CLOTH, ETC.)

327  DF  NONWOVEN FABRIC (I.E., NONWOVEN STRAND OR FIBER MATERIAL) {20}
394  DF  .~ Nonwoven fabric with a preformed polymeric film or sheet {5}
397.~.~ Fluorinated olefin polymer or copolymer sheet or film (e.g., TeflonR, etc.)

DEFINITION

Classification: 442/397

Fluorinated olefin polymer or copolymer sheet or film (e.g., Teflon ):

(under subclass 394) Subject matter wherein the preformed polymeric film or sheet is a fluorinated olefin polymer or copolymer such as Teflon, etc.