US PATENT SUBCLASS 15 / 104.31
.~.~.~ Sewer


Current as of: June, 1999
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15 /   HD   BRUSHING, SCRUBBING, AND GENERAL CLEANING

104.001  DF  IMPLEMENTS {28}
104.03  DF  .~ Pipe, tube, or conduit cleaner {2}
104.05  DF  .~.~ Inside {8}
104.31.~.~.~ Sewer {2}
104.32  DF  .~.~.~.~> Grapple
104.33  DF  .~.~.~.~> Snake


DEFINITION

Classification: 15/104.31

Sewer:

(under subclass 104.05) Subject matter which includes a cleaning tool or an implement for cleaning a sewer.

(1) Note. The term "implement" is defined in the main class definitions.

(2) Note. The term "sewer" includes an underground conduit, a culvert, a sanitary drain pipe or a sink or toilet drain.

(3) Note. The term "cleaning tool" refers to an instrument for freeing foreign material within or from the pipe interior.

SEE OR SEARCH THIS CLASS, SUBCLASS:

104.2, for reciprocating pipe or tube interior cleaner having rotating radial bristles.

104.09+, for a pipe or tube interior cleaner having a rotary and reciprocating tool.

105.15, for a reciprocating pipe or tube interior cleaner having plural rotary cutters.

SEE OR SEARCH CLASS

137, Fluid Handling,

242+, for a fluid system with a Class 15 mechanical cleaning means.

201, Distillation: Processes Thermolytic,

2, for a method of cleaning or decarbonizing a distilling system.

202, Distillation: Apparatus,

241, for means for cleaning and decarbonizing pipes of a distilling system.

210, Liquid Purification or Separation,

407+, for filters with residue removing means; and subclasses 523+ for gravitational separators with mechanical constituent movers.

226, Advancing Material of Indeterminate Length,

1+, for methods and appropriate subclasses, particularly subclass 188, for feeding material without utilizing the leading or trailing ends to effect movement of the material. 294, Handling: Hand and Hoist-Line Implements,

86+, for grapples of general application.