US PATENT SUBCLASS 430 / 23
PRODUCING CATHODE-RAY TUBE OR ELEMENT THEREOF

Current as of: June, 1999
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430 /   HD   RADIATION IMAGERY CHEMISTRY: PROCESS, COMPOSITION, OR PRODUCT THEREOF

23PRODUCING CATHODE-RAY TUBE OR ELEMENT THEREOF {6}
24  DF  .~> Using specific control or specific modification of exposure, i.e., by manipulation of radiation source or exposure through elements other than shadow mask
25  DF  .~> With light-absorbing matrix on faceplate
26  DF  .~> With faceplate of phosphoric stripes
27  DF  .~> With filter material on finished faceplate
28  DF  .~> Using specified radiation-sensitive composition other than a nominal sensitized polyvinyl alcohol
29  DF  .~> Using specified post-imaging process composition

DEFINITION

Classification: 430/23

PRODUCING CATHODE-RAY TUBE OR ELEMENT THEREOF:

(under the class definition) Processes for making a cathode-ray tube or components thereof.

SEE OR SEARCH THIS CLASS, SUBCLASS:

4+, for photomask, screens, etc., for having use other than with a cathode-ray tube and process of making same.

SEE OR SEARCH CLASS

313, Electric Lamp and Discharge Devices,

364+, for cathode-ray tube and its components, especially subclasses 365+ for image pickup tube; subclasses 402+ for shadow mask, support, or shield, subclasses 461+ for screen structure; subclasses 523+ for photosensitive lamps, and especially subclasses 541 and 544 for cathode tube having photosensitive material on the tube wall.

348, Television,

805+, for a cathode-ray tube as a television display device.