US PATENT SUBCLASS 315 / 5.31
.~.~.~.~.~ Hollow ray

Current as of: June, 1999
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315 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS

1  DF  CATHODE RAY TUBE CIRCUITS {11}
3  DF  .~ Combined cathode ray tube and circuit element structure {2}
4  DF  .~.~ Inductor or distributed parameter-type inductive structure {2}
5  DF  .~.~.~ Ray passes in or through a hollow distributed parameter device {15}
5.29  DF  .~.~.~.~ Ray has appreciable transverse electrical dimension and/or significant shape {2}
5.31.~.~.~.~.~ Hollow ray

DEFINITION

Classification: 315/5.31

(under subclass 5.29) Subject matter, wherein the ray is formed as a hollow tube with the cathode at one end, which

ray may be circular or rectangular in cross section.