US PATENT SUBCLASS 338 / 142
.~.~.~ Element forms a coating

Current as of: June, 1999
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338 /   HD   ELECTRICAL RESISTORS

68  DF  MECHANICALLY VARIABLE (E.G., RHEOSTAT) {24}
118  DF  .~ Movable contact electrically adjustable over length of resistance element {21}
138  DF  .~.~ Element tapered {4}
142.~.~.~ Element forms a coating

DEFINITION

Classification: 338/142

(under subclass 138) Subject matter wherein the tapered resistance element is coated on a base.

SEE OR SEARCH THIS CLASS, SUBCLASS:

292, for a resistor with a fixed zigzag or sinuous resistance element formed as a coating.

300, for a resistor with a fixed helical resistance element formed as a coating.

308+, for a resistor whose element is coated on a base.

SEE OR SEARCH CLASS

427, Coating Processes, 58+, for coating processes, per se, wherein the product has utility as an electrical article.

428, Stock Material or Miscellaneous Articles,

156+, for a plural layer stock material in which one layer comprises a layer which varies in thickness, and which may involve resistance materials.