US PATENT SUBCLASS 174 / 52.5
.~.~.~ Header, mounting stud, or can-type housing for semiconductor or crystal

Current as of: June, 1999
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174 /   HD   ELECTRICITY: CONDUCTORS AND INSULATORS

50  DF  BOXES AND HOUSINGS {4}
52.1  DF  .~ With electric device or mounting means therefor {5}
52.3  DF  .~.~ Sealed {3}
52.5.~.~.~ Header, mounting stud, or can-type housing for semiconductor or crystal

DEFINITION

Classification: 174/52.5

Header, mounting stud, or can-type housing for semiconductor or crystal:

(under subclass 52.3) Structures in the form of a can (e.g., TO-5 type) or which include an insulating support (header or mounting stud) for the leads entering the housing.

SEE OR SEARCH CLASS

257, Active Solid-State Devices (e.g., Transistors, Solid-State Diodes), appropriate subclasses for active solid-state semiconductor devices, per se, especially

678+, for active solid-state device housings, in general, including subclasses 731-3 for housing mounts.