(under the class definition) Device including means to illuminate or to cast a shadow on a part (or all) of the device or of the work; or means to form a light image of a part (or all) of the device or of the work, whether by reflection or refraction.
(1) Note. Generally speaking, a patent to the combination of a cutting machine and means for projecting an image of the work to be cut (e.g., a motion picture film) will be placed originally in this or indented subclass; while a patent to the combination of means to take a picture (as by exposure of photo-sensitive material to light) and a cutting machine will be placed originally in the proper class relating to the s:graphic art involved (e.g., photography).
SEE OR SEARCH CLASS
33, Geometrical Instruments,
628+, for a geometrical instrument including a cutting or punching instrumentality and optical viewing means.
