US PATENT SUBCLASS 313 / 33
.~ Envelope with internal temperature modifying baffle

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

11  DF  WITH TEMPERATURE MODIFIER {19}
33.~ Envelope with internal temperature modifying baffle

DEFINITION

Classification: 313/33

(under subclass 11) Devices having an envelope and having a temperature modifying baffle entending across or into the interior of the envelope.

SEE OR SEARCH THIS CLASS, SUBCLASS:

20, where the envelope is made in whole or part of conductive material and has a double-wall or is enclosed within a casing or jacket.