US PATENT SUBCLASS 257 / 710
.~.~ With specified means (e.g., lip) to seal base to cap

Current as of: June, 1999
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257 /   HD   ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES)

678  DF  HOUSING OR PACKAGE {18}
708  DF  .~ Entirely of metal except for feedthrough {3}
710.~.~ With specified means (e.g., lip) to seal base to cap

DEFINITION

Classification: 257/710

With specified means (e.g., lip) to seal base to cap:

(under subclass 708) Subject matter wherein specific means are provided to seal the cap to the base such as, for example, a bead or lip or boss around the periphery of the base.