US PATENT SUBCLASS 313 / 116
.~ Light diffusing

Current as of: June, 1999
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313 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES

110  DF  WITH OPTICAL DEVICE OR SPECIAL RAY TRANSMISSIVE ENVELOPE {5}
116.~ Light diffusing

DEFINITION

Classification: 313/116

(under subclass 110) Devices in which the optical device is a light diffusing means.

(1) Note. Incandescent lamps with frosted globes are included in this subclass.

SEE OR SEARCH CLASS

156, Adhesive Bonding and Miscellaneous Chemical Manufacture,

663+, for methods of etching glass to produce a light diffusing surface thereon.

427, Coating Processes, for processes of coating, per se, wherein the product is an optical element.