US PATENT SUBCLASS 430 / 501
.~.~ Roll film

Current as of: June, 1999
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430 /   HD   RADIATION IMAGERY CHEMISTRY: PROCESS, COMPOSITION, OR PRODUCT THEREOF

495.1  DF  RADIATION SENSITIVE PRODUCT {7}
496  DF  .~ Structurally defined {2}
501.~.~ Roll film

DEFINITION

Classification: 430/501

Roll film:

Subject matter under 496 in the form of a cylindrical or rounded film mass along with its related structures, e.g., paper backing, spool, etc.

(1) Note. This is the residual place for roll film even though the chemical aspects of the same are remote.