(under the class definition) Subject matter wherein the device is adapted to produce precision photos:graphic copies of a master hologram, seismogram, graph or scale; the master being on a sheet or strip of paper or film.
(1) Note. This subclass provides for copying by image projection or contact printing. However, where a mechanical means controls structure to project a mere spot or line of light on a light sensitive material the device is classified in Class 396, Photography, subclass 548. Subclasses 429+ in Class 396 provide for a camera combined with a diverse art device.
SEE OR SEARCH CLASS
33, Geometrical Instruments, for seismogram, graph or scale copying which includes scribing.
396, Photography,
548, for means to project a mere spot or line of light on a light sensitive material and subclasses 429+ for a camera combined with a diverse art device.