US PATENT SUBCLASS 210 / 153
STRUCTURAL INSTALLATION

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

153STRUCTURAL INSTALLATION {6}
154  DF  .~> Flume stream type {7}
163  DF  .~> Grated inlet surface drain {2}
167  DF  .~> Closed circulating systems {2}
170  DF  .~> Geographic (e.g., drainage ditch, septic, pond)
171  DF  .~> Machinery
172  DF  .~> Ancillary to storage tank

DEFINITION

Classification: 210/153

(under the class definition) Apparatus combined with (1) means performing an operation external to the subject matter of this class, (2) combined with a static construction installation, (3) specifically related to a particular geos:graphic feature wherein there is included only enough structure foreign to this class (210) to associate it with the apparatus.

SEE OR SEARCH THIS CLASS, SUBCLASS:

241+, for a separator combined with a movable support.

244+, for a draining type separator comprising a portable receptacle with a hood or closure.

419, for a filter attached to or within a portable prefilt receiver having a flow controller for the material being treated.

464+, a portable receptacle draining type filter.

473+, for a filter resting on a supporting receiver. SEE OR SEARCH CLASS

4, Baths, Closets, Sinks, and Spittoons, appropriate subclasses particularly

652, for strainers combined with sink structure and subclasses 286+ for strainers and stoppers peculiar to that art.

37, Excavating,

318+, for a dredger combined with a screen separator.

68, Textiles: Fluid Treating Apparatus,

19+, for a laundry machine combined with a fluid extractor, and subclasses 235+ for a separator combined with a washing machine drain.

99, Foods and Beverages: Apparatus,

408, for a deep fat fryer type cooker having crumb or sediment segregation means.

122, Liquid Heaters and Vaporizers,

431, for a filter in a boiler. 137, Fluid Handling,

140, for a siphon combined with a separatory means, and subclasses 343+ for a structural installation of a fluid handling apparatus.

159, Concentrating Evaporators,

42, for a concentrating evaporator combined with a strainer or skimmer.

222, Dispensing,

189.06+, for a dispenser with a strainer, and subclass 565 for a sifting dispenser.

435, Chemistry: Molecular Biology and Microbiology,

289.1+, for fermentation apparatus including separating means, particularly subclass 295.3 for a bioreactor with the combination of a draft tube and a semipermeable membrane or filter, subclasses 297.1+ for a bioreactor including a semipermeable membrane or filter, and subclass 308.1 for an apparatus for separating a microorganism from culture media.