US PATENT SUBCLASS 396 / FOR 882
.~.~.~ Plural curtains or plates (354/242)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


396 /   HD   PHOTOGRAPHY

FOR 842  DF  CAMERA DETAILS (354/202) {10}
FOR 866  DF  .~ Shutter (354/226) {10}
FOR 881  DF  .~.~ Curtain or flexible plate type (354/241) {1}
FOR 882.~.~.~ Plural curtains or plates (354/242) {1}
FOR 883  DF  .~.~.~.~> Curtains width opening (354/243) {1}

DEFINITION

Classification: 396/FOR.882

Plural curtains or plates: (354/242)

Subject matter under subclass FOR 881 having more than one resilient or flexible sheet wherein two resilient or flexible sheets form an opening which passes across a light sensitive material to produce an exposure.