US PATENT SUBCLASS 313 / 240
.~.~ Shield supported by electrode, electrode support, or spacer

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

238  DF  WITH SUPPORT AND/OR SPACING STRUCTURE FOR ELECTRODE AND/OR SHIELD {9}
239  DF  .~ For shield {2}
240.~.~ Shield supported by electrode, electrode support, or spacer {1}
241  DF  .~.~.~> Extending across ends of plural discharge device electrodes

DEFINITION

Classification: 313/240

(under subclass 239) Devices having the shield supported by an electrode, an electrode support, or an electrode spacing member.

SEE OR SEARCH THIS CLASS, SUBCLASS:

11+, for devices under the subclass definition which have a heat transfer means or a heat shielding means mounted upon an electrode, electrode support or electrode spacing member. See subclasses 37+ for devices with filaments or cathodes which are provided with heat shields, subclasses 39+ where the heat transfer means or heat shield is for an electrode within the envelope, usually being supported on or forming part of the electrode, and subclass 42 where the heat is mounted upon an electrode support.