US PATENT SUBCLASS 396 / FOR 817
MOTOR FILM DRIVE (E.G., SPRING, ETC.) (354/170)

Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

FOR 817MOTOR FILM DRIVE (E.G., SPRING, ETC.) (354/170) {1}
FOR 818  DF  .~> Automatic film advance (354/171) {2}

DEFINITION

Classification: 396/FOR.817

MOTOR FILM DRIVE (e.g., spring, etc.): (354/170)

Foreign art collection having camera structure and means to convert energy to produce or impart motion to a light-sensitive material.