US PATENT SUBCLASS 396 / FOR 883
.~.~.~.~ Curtains width opening (354/243)

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  DF  .~.~.~ Plural curtains or plates (354/242) {1}
FOR 883.~.~.~.~ Curtains width opening (354/243) {1}
FOR 884  DF  .~.~.~.~.~> More than two rollers (354/244)

DEFINITION

Classification: 396/FOR.883

Curtains width opening: (354/243)

Subject matter under subclass FOR 882 including means to adjust or control the extent of the opening to produce an exposure.