Having means to emit radiation or facilitate viewing of the work:
(under subclass 25) Device including (a) means to increase the lighting intensity at selected areas, or (b) means to bend or reflect light waves to make characteristics of the device or work more readily discernable, or (c) means from which electromagnetic radiation is directed at the work.
(1) Note. Mouth props, per se, are excluded.
SEE OR SEARCH THIS CLASS, SUBCLASS:
140, for mouth props.
SEE OR SEARCH CLASS
128, Surgery,
3+, for specula; and subclass 23 for lamps. 250, Radiant Energy, appropriate subclass for X-ray sources, detectors and related apparatus, or methods of using such apparatus in dentistry for producing images of teeth.
362, Illumination, appropriate subclasses for lighting systems in general, especially
572+, and 577 for optic transmission fibers which modify light from a man-made source.
385, Optical Waveguides, appropriate subclasses for optic transmission fibers.
408, Cutting by Use of Rotating Axially Moving Tool,
16, for drilling apparatus provided with means to facilitate viewing of the work.
