US PATENT SUBCLASS 396 / 148
.~ Having viewfinder

Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

89  DF  WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS {28}
148.~ Having viewfinder {2}
149  DF  .~.~> Having parallax correction
150  DF  .~.~> Including focusing screen {2}

DEFINITION

Classification: 396/148

Having viewfinder:

(under subclass 89) Subject matter including an optical device attached to or part of the camera to indicate an extent of a scene to be photographed.

SEE OR SEARCH THIS CLASS, SUBCLASS:

141, for viewfinder and a mechanical rangefinder.

373+, for camera structure with viewfinder in general.

, FOR 839+, for foreign art collections involving manual camera focusing with viewfinder.

, FOR 859+, for foreign art collections involving camera detail including viewfinder.

SEE OR SEARCH CLASS

356, Optics: Measuring and Testing,

8, for combination of a rangefinder and viewfinder, per se.