US PATENT SUBCLASS 340 / 825.97
.~ Having electron beam device

Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

825  DF  SELECTIVE {23}
825.97.~ Having electron beam device

DEFINITION

Classification: 340/825.97

Having electron beam device:

(under subclass 825) Subject matter including an element within which a narrow stream of electrons is moved in the same direction by an electric or magnetic field.

(1) Note. The electron beam is generally used as an electric current connection.