(under subclass 592) Process for manufacturing a gas and water article which is especially useful for gaining entry or access into a fluid system at a location which was not previously an entry or access point.
(1) Note. Prior to the establishment of this subclass (890.11), this subject matter was indented under "Gas and Water Device Making" (old 29/157+). Other subclasses under Class 29, subclasses 592+ have not been screened for this subject matter.
