US PATENT SUBCLASS 348 / 818
.~.~ Protective device

Current as of: June, 1999
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348 /   HD   TELEVISION

739  DF  VIDEO DISPLAY {13}
805  DF  .~ Cathode-ray tube {5}
818.~.~ Protective device {3}
819  DF  .~.~.~> Radiation protection for user
820  DF  .~.~.~> External electric or magnetic effect
821  DF  .~.~.~> Implosion protection {2}

DEFINITION

Classification: 348/818

Protective device:

(under subclass 805) Subject matter including a structure to protect the tube or a television observer from physical damage.

(1) Note. Structure for supporting the cathode-ray tube that is integral with the protective device is included here or in indented subclasses.