US PATENT SUBCLASS 264 / 1.34
.~.~ Film or sheet

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

1.1  DF  OPTICAL ARTICLE SHAPING OR TREATING {11}
1.31  DF  .~ Light polarizing article or holographic article {3}
1.34.~.~ Film or sheet {1}
1.35  DF  .~.~.~> Halogen containing

DEFINITION

Classification: 264/1.34

Film or sheet:

(under subclass 1.31) Processes wherein the light polarizing article or holos:graphic article is (a) in the form of a film or sheet or (b) a layered product having said film or sheet as one of the layers.

(1) Note. For classification in this subclass a sheet or film will be considered a portion of material of finite length, whose width is greater than its thickness and which may be of any geometric shape (e.g., triangle, circle, etc.).

SEE OR SEARCH THIS CLASS, SUBCLASS:

1.33, for processes wherein the light polarizing or holos:graphic article in the form of a sheet or film is used as an optical recording or reproducing medium.