US PATENT SUBCLASS 210 / 416.1
.~ With pump, gas pressure, or suction source

Current as of: June, 1999
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210 /   HD   LIQUID PURIFICATION OR SEPARATION

348  DF  FILTER {25}
416.1.~ With pump, gas pressure, or suction source {4}
416.2  DF  .~.~> For aquarium or swimming pool
416.3  DF  .~.~> For drinking water
416.4  DF  .~.~> For fuel system
416.5  DF  .~.~> For lubricating or oil treating system

DEFINITION

Classification: 210/416.1

With pump, gas pressure, or suction source:

(under subclass 348) Apparatus provided with a pump or other source of vacuum or pressure which is particularly defined as other than a suction of pressure conduit, acting to aid the flow of fluid through the strainer or filter.

SEE OR SEARCH THIS CLASS, SUBCLASS:

167, for structural installations with a closed circulating system.

194+, for recirculation which may include a pump.

251, for a filter combined with a mouthpiece.

258, for serially connected units including a pump.

406, for a filter combined with a vacuum source which does not pump the liquid.

412, for a liquid pulsator acting during backwash of blowback. SEE OR SEARCH CLASS

92, Expansible Chamber Devices,

78+, for the combination of an expansible chamber device and fluid purifying means which enhances the operation of the device; and see (2) Note in subclass 78 of Class 92 for

statement of the line.

166, Wells,

105.1+, for well pumps having sediment traps or deflectors; and subclasses 105.5+ for well pumps having liquid-gas separator; i.e., gas anchors.

417, Pumps, appropriate subclasses for the combination of a pump and a filter wherein the specific disclosure of the filter is to protect or enhance the operation of the pump.

418, Rotary Expansible Chamber Devices,

47, for the combination or a rotary expansible chamber pump and a filter wherein the filter is specially disclosed as protecting or enhancing the operation of the pump.