US PATENT SUBCLASS 430 / 122
.~.~.~ Using magnetic brush

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

Internet Version by PATENTEC © 1999      Terms of Use


430 /   HD   RADIATION IMAGERY CHEMISTRY: PROCESS, COMPOSITION, OR PRODUCT THEREOF

31  DF  ELECTRIC OR MAGNETIC IMAGERY, E.G., XEROGRAPHY, ELECTROGRAPHY, MAGNETOGRAPHY, ETC., PROCESS, COMPOSITION, OR PRODUCT {18}
97  DF  .~ Post imaging process, finishing, or perfecting composition or product {12}
120  DF  .~.~ Dry powder developing {3}
122.~.~.~ Using magnetic brush

DEFINITION

Classification: 430/122

Using magnetic brush:

(under subclass 120) Processes wherein a magnetic in combination with a toner attached to the magnetic by magnetic attraction develops the image.

SEE OR SEARCH CLASS

399, Electrophotography,

9+, for diagnostics, subclasses 38+ for controls, and subclasses 222+ for development, particularly subclasses 267+ for electrophotos:graphic apparatus employing this type of subject matter.