US PATENT SUBCLASS 40 / 707
.~.~.~ Film retention means (e.g., lug, clamp, button, beading-strip, spring, etc.)

Current as of: June, 1999
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40 /   HD   CARD, PICTURE, OR SIGN EXHIBITING

700  DF  PICTURE FRAME {29}
701  DF  .~ Film holder (e.g., filmstrip, slide, etc.) {7}
706  DF  .~.~ Interconnected members adapted to engage opposed faces of film {1}
707.~.~.~ Film retention means (e.g., lug, clamp, button, beading-strip, spring, etc.)

DEFINITION

Classification: 40/707

Film retention means (e.g., lug, clamp, button, beading-strip, spring, etc.):

(under subclass 706) Film holder including a means for holding film in place within the frame.