US PATENT SUBCLASS 361 / 320
.~.~.~.~ Ceramic and glass

Current as of: June, 1999
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361 /   HD   ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES

271  DF  ELECTROSTATIC CAPACITORS {4}
301.1  DF  .~ Fixed capacitor {11}
311  DF  .~.~ Solid dielectric {5}
312  DF  .~.~.~ Plural dielectrics {3}
320.~.~.~.~ Ceramic and glass

DEFINITION

Classification: 361/320

Ceramic and glass:

(under subclass 312) Subject matter wherein the plural dielectric is a ceramic and glass.

(1) Note. The ceramic is usually combined in a glass matrix or the glass is used as a bonding agent for the ceramic.

SEE OR SEARCH CLASS

501, Compositions: Ceramic, appropriate subclasses for ceramic and glass compositions.