US PATENT SUBCLASS 442 / 289
.~.~ Fluorinated olefin polymer or copolymer sheet or film (e.g., Teflon@, etc.)

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

181  DF  WOVEN FABRIC (I.E., WOVEN STRAND OR STRIP MATERIAL) {13}
286  DF  .~ Woven fabric with a preformed polymeric film or sheet {8}
289.~.~ Fluorinated olefin polymer or copolymer sheet or film (e.g., Teflon@, etc.)

DEFINITION

Classification: 442/289

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

(under subclass 286) Subject matter wherein the preformed polymeric film or sheet is a fluorinated olefin polymer or copolymer such as Teflon, etc.