US PATENT SUBCLASS 166 / 110
.~.~ Lateral port always below piston and used in well

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


166 /   HD   WELLS

105  DF  WITH EDUCTION PUMP OR PLUNGER {5}
107  DF  .~ Receptacles {4}
110.~.~ Lateral port always below piston and used in well

DEFINITION

Classification: 166/110

(under subclass 107) Devices in which there is an opening through the side wall of the container below the lowest position of the pump or plunger piston providing for fluid flow through the opening while the container is in the well.

(1) Note. The opening must be more than a mere scallop on the lower edge of the container.