US PATENT SUBCLASS 396 / 440
.~ Film restraining means or pressure plate

Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

439  DF  CAMERA DETAIL {15}
440.~ Film restraining means or pressure plate {2}
441  DF  .~.~> Pneumatic or magnetic
442  DF  .~.~> On camera door

DEFINITION

Classification: 396/440

Film restraining means or pressure plate:

(under subclass 439) Subject matter having means to press or hold a film in a plane.

SEE OR SEARCH THIS CLASS, SUBCLASS:

, FOR 843, for a foreign art collection involving film restraining means.