US PATENT SUBCLASS 313 / 287
.~.~.~.~ Support collar surrounding envelope stem

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

238  DF  WITH SUPPORT AND/OR SPACING STRUCTURE FOR ELECTRODE AND/OR SHIELD {9}
283  DF  .~ Electrode supported by envelope {2}
284  DF  .~.~ Electrode supporting member supported by envelope {1}
285  DF  .~.~.~ Supporting wire, rod, or tube supported by envelope {5}
287.~.~.~.~ Support collar surrounding envelope stem

DEFINITION

Classification: 313/287

(under subclass 285) Devices in which the envelope has a stem or press, the support wire, rod or tube being attached to and supported by a ring shaped clamping member or collar, the ring shaped member or collar being fastened about the stem or press.