(under the class definition) Subject matter not provided for in other subclasses.
(1) Note. This subclass includes, for example, drill motor housing guide saddles and an art collection of nozzles peculiarly adapted to boring in the earth by fluid flow or jetting.
SEE OR SEARCH THIS CLASS, SUBCLASS:
11+, for heat applying nozzles.
220, for guide saddles combined with an above ground guide for a relatively advancing tool.
327+, for a bit or bit element having a nozzle.
SEE OR SEARCH CLASS 37, Excavating,
322, and 323 for suction type dredges with jet diggers.
166, Wells,
222+, for whirling or lateral discharge or projectable nozzles for use in a well.
173, Tool Drive or Impacting,
197+, and see the search notes therein for a tool driving or impacting means provided with a work cleansing means and including a fluid nozzle.
239, Fluid Sprinkling, Spraying, and Diffusing, appropriate subclasses for nozzles of general utility.
405, Hydraulic and Earth Engineering,
248, for pile installation utilizing a fluid discharge nozzle.
