US PATENT SUBCLASS 315 / 5.45
.~.~.~.~.~.~ Three hollow devices

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}
5.39  DF  .~.~.~.~ Plural hollow devices {6}
5.44  DF  .~.~.~.~.~ Feedback connection between the hollow devices {1}
5.45.~.~.~.~.~.~ Three hollow devices

DEFINITION

Classification: 315/5.45

(under subclass 5.44) Subject matter including three or more hollow distributed parameter devices through which the ray passes with an electrical connection between at least two of the devices.

SEE OR SEARCH THIS CLASS, SUBCLASS:

5.49, for three or more hollow distributed parameter devices in general through which a ray passes.