US PATENT SUBCLASS 439 / 150
.~.~ Protector for electron tube pin

Current as of: June, 1999
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439 /   HD   ELECTRICAL CONNECTORS

135  DF  WITH CONTACT PREVENTER OR RETRACTABLE COVER PART {5}
149  DF  .~ Prong cover {1}
150.~.~ Protector for electron tube pin

DEFINITION

Classification: 439/150

Protector for electron tube pin:

(under subclass 149) Electrical connector adapted to physically shield the male contact of a member including electrical amplifying or switching means utilizing an environment excluding vacuum maintaining envelope.