US PATENT SUBCLASS 315 / 13.11
.~.~ Storage tubes

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


315 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS

1  DF  CATHODE RAY TUBE CIRCUITS {11}
13.1  DF  .~ Plural ray-type tube {1}
13.11.~.~ Storage tubes

DEFINITION

Classification: 315/13.11

Storage tubes:

(under subclass 13.1) Subject matter wherein changeable information is stored in the form of charged or uncharged areas of the screen of the cathode-ray tube.