US PATENT SUBCLASS 430 / 500
.~.~.~ Roll film
Current as of:
June, 1999
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430 /
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RADIATION IMAGERY CHEMISTRY: PROCESS, COMPOSITION, OR PRODUCT THEREOF
495.1
DF
RADIATION SENSITIVE PRODUCT
{7}
496
DF
.~ Structurally defined {2}
497
DF
.~.~ With processing ingredient container or trap {3}
500
.~.~.~ Roll film
DEFINITION
Classification: 430/500
Roll film:
(under subclass 497) Subject matter in the form of a cylindrical or round film mass.
SEE OR SEARCH THIS CLASS, SUBCLASS:
501, for roll film, per se.