US PATENT SUBCLASS 174 / 52.3
.~.~ Sealed

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.~.~ Sealed {3}
52.4  DF  .~.~.~> Flat housing for electronic device (e.g., flat pack, dual-in-line package)
52.5  DF  .~.~.~> Header, mounting stud, or can-type housing for semiconductor or crystal
52.6  DF  .~.~.~> Pellet type housing

DEFINITION

Classification: 174/52.3

Sealed:

(under subclass 52.1) Subject matter wherein the box or housing is hermetically sealed.