US PATENT SUBCLASS 239 / 1
PROCESSES

Current as of: June, 1999
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239 /   HD   FLUID SPRINKLING, SPRAYING, AND DIFFUSING

1PROCESSES {10}
2.1  DF  .~> Of weather control or modification {1}
3  DF  .~> Including electrostatic charging
4  DF  .~> Vibratory or magneto-strictive projecting
5  DF  .~> Of fuel injection
6  DF  .~> Involving slow diffusion
7  DF  .~> Including centrifugal force or spattering
8  DF  .~> Including mixing or combining with air, gas or steam {1}
10  DF  .~> Including dissolving or entraining in liquid stream
11  DF  .~> Of discharge modification of flow varying {1}
13  DF  .~> Including heating or cooling

DEFINITION

Classification: 239/1

(under the class definition) Processes concerned with steps or ways of distributing fluid material on or over an area or into the air.

(1) Note. All methods involving burning or propagating or

forming a flame are excluded from Class 239; accordingly any patent claiming a method of combustion is classified in Class 431, Combustion, subclasses 2+ and cross-referenced in Class 239 if it has significant distribution features for this class.

SEE OR SEARCH CLASS

43, Fishing, Trapping, and Vermin Destroying,

132.1, for specific processes of destroying insects with liquid insectible sprayers.

424, Drug, Bio-Affecting and Body Treating Compositions, appropriate subclass for an insecticidal composition to be sprayed upon a field or plant and for a method involving the mere application or spraying of a biocidal, e.g., insecticidal, fungicidal, etc., composition.