US PATENT SUBCLASS 356 / 68
.~ Lamp attachments


Current as of: June, 1999
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356 /   HD   OPTICS: MEASURING AND TESTING

52  DF  EGG CANDLING {6}
68.~ Lamp attachments


DEFINITION

Classification: 356/68

(under subclass 52) Subject matter including structures attachable to illuminating lamps to convert the illuminating lamps into candling boxes or light shading chambers of the visual type.

(1) Note. Included are devices to convert portable and other type light sources into egg candling structure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

72, for convertible subject matter not classified elsewhere.

SEE OR SEARCH CLASS

313, Electric Lamp and Discharge Devices,

315, for incandescent lamps. 315, Electric Lamp and Discharge Devices: Systems, particularly

32+, for incandescent lamps which are structurally combined with a circuit element, and for systems for supplying electrical energy to lamps.

362, Illumination,

138+, for inspection lamps, subclasses 157+ for portable electric lamps, and subclasses 257+ for lanterns including light projectors not specifically designed for testing purposes.