US PATENT SUBCLASS 353 / 39
MICROPROJECTOR
Current as of: June, 1999
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DEFINITION
Classification: 353/39
(under the class definition) Subject matter including a lens system (usually of the compound type) which provides great magnification of the projected image of microscopical objects.
(1) Note. Said lens system may be in a common microscope which is in combination with means to project an image on a viewing screen to form a projection microscope or the microscope and projection structure may be built as a unit to form a microprojector.
SEE OR SEARCH CLASS
356, Optics: Measuring and Testing,
237.1+, for similar structure employed to detect flaws in a material or article and subclasses 391+ for similar structure where the image is compared to a standard.
359, Optics: Systems (Including Communication) and Elements, 362+, for compound lens systems generally.
