US PATENT SUBCLASS 119 / 320
.~ Warmed by fireless heater


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

Internet Version by PATENTEC © 1999      Terms of Use



119 /   HD   ANIMAL HUSBANDRY

311  DF  INCUBATOR {6}
320.~ Warmed by fireless heater {1}
321  DF  .~.~> Having egg contacting means


DEFINITION

Classification: 119/320

Warmed by fireless heater:

(under subclass 311) Brooders so constructed that the temperature is maintained in the brood chamber by (1) conserving warmth from a previous heating or (2) utilizing the heat resulting from organic fermentation or any other

heating process not due to the combustion of fuel.

(1) Note. If the patent provides no specific manner of heating or only insulating material, it should be placed in subclass 311.

SEE OR SEARCH CLASS

106, Compositions: Coating or Plastic,

601+, 605, 672+, and 122 for heat insulating plastic or coating compositions.

126, Stoves and Furnaces,

273.5, and 375 for casings showing heat insulation. 217, Wooden Receptacles, for casings showing heat insulation.

220, Receptacles,

560.12+, 592.01+, and 903, for casings showing heat insulation.

252, Compositions,

62, for other heat insulating compositions.

428, Stock Material or Miscellaneous Articles, appropriate subclasses for a stock material product in the form of a single or plural layer web or sheet, and especially

304.4+, for a composite product in which at least one component is either porous or cellular (generally useful for insulation); and cross-reference art collection 920 for a similar product having heat insulating features.

501, Compositions: Ceramic,

80+, for heat insulating ceramic compositions.