US PATENT SUBCLASS 431 / 360
.~.~ Coated casing

Current as of: June, 1999
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431 /   HD   COMBUSTION

357  DF  ILLUMINATING FLASH DEVICE, E.G., PHOTOGRAPHIC BULB, ETC. {4}
358  DF  .~ Fuel charge within sealed transparent casing, e.g., bulb {4}
360.~.~ Coated casing

DEFINITION

Classification: 431/360

Coated casing:

(under subclass 358) Apparatus having a layer of material, different from that of the envelope, on a surface of the transparent envelope.

SEE OR SEARCH CLASS

106, Compositions: Coating or Plastic, appropriate subclass for a coating composition.

313, Electric Lamp and Discharge Devices,

110+, for an electric lamp or discharge device with an optical device or a special ray transmission envelope.