(under the class definition) Processes whereby an image is obtained by reason of using material which emits light not due to incandescence and at a temperature below that of incandescent bodies. Included herein are phosphorescence, fluorescence, etc.
SEE OR SEARCH CLASS
40, Card, Picture, or Sign Exhibiting, for indicia forming a display device including a fluorescent substance to cause illumination of the indicia.
250, Radiant Energy,
361+, (362 for method) for apparatus involving invisible radiant energy responsive to electric signalling with or including a luminophor; subclasses 458+ (459 for processes) for illuminophor irradiation devices; subclasses 483+ for an invisible radiation responsive nonelectric signalling luminescent device.
252, Compositions,
188.11, for chemical luminescent compositions; and subclasses 301.16+, 301.36, and 301.4+ for fluorescent and phosphorescent compositions.
313, Electric Lamp and Discharge Devices, 483+, for electroluminescent devices.
427, Coating Processes,
157+, for coating processes in general wherein a fluorescent or phosphorescent coating is used and where no radiation properties or multilayered luminescent coatings are claimed.
428, Stock Material or Miscellaneous Articles, appropriate subclasses for a stock material product in the form of a single or plural layer web or sheet which may have luminescent properties, and especially
917, (a cross-reference art collection) for products which are electroluminescent.
