US PATENT SUBCLASS 313 / 45
.~ Radiating type surface

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


313 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES

11  DF  WITH TEMPERATURE MODIFIER {19}
45.~ Radiating type surface

DEFINITION

Classification: 313/45

(under subclass 11) Devices in which the temperature modifier comprises a radiating surface adapted to transmit or receive radiant heat.

SEE OR SEARCH THIS CLASS, SUBCLASS:

40+, where an electrode within an envelope is provided with a radiating surface.