US PATENT SUBCLASS 313 / 625
.~.~ End plug seal

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

567  DF  WITH GAS OR VAPOR {24}
623  DF  .~ Having electrode lead-in or electrode support sealed to envelope {2}
625.~.~ End plug seal

DEFINITION

Classification: 313/625

End plug seal:

(under subclass 623) Subject matter wherein the open end of the envelope is closed by a closure which fits into the open end to seal the envelope.