(under subclass 50.5) Subject matter having one or more lead-in conductors sealed into a disk, stem structure or other supporting structure, the disk, stem or supporting structure forming a closure for the envelope.
(1) Note. The structures in this and the indented subclass are characterized primarily in that there is a joint between the closure which supports one or more lead-in conductors and the envelope as distinguished from the type of device which has the envelope sealed directly about the lead-in conductors. The disk, stem or supporting structure for the lead-in conductor may be of the same or different material as that of the envelope.
SEE OR SEARCH THIS CLASS, SUBCLASS:
50.56, where the disc or closure is formed of metal or other conductive material.
SEE OR SEARCH CLASS
220, Receptacles,
24+, for the structure of miscellaneous closures for receptacles.
