US PATENT SUBCLASS 166 / 107
.~ Receptacles

Current as of: June, 1999
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166 /   HD   WELLS

105  DF  WITH EDUCTION PUMP OR PLUNGER {5}
107.~ Receptacles {4}
108  DF  .~.~> Piston actuates foot valve
109  DF  .~.~> Telescoping
110  DF  .~.~> Lateral port always below piston and used in well
111  DF  .~.~> Bail engaging piston rod

DEFINITION

Classification: 166/107

(under subclass 105) Devices comprising a container into which a well fluid is drawn by the pump or plunger means, the

container being lifted bodily out of the well to transport the fluid to the top of the well.

SEE OR SEARCH CLASS

73, Measuring and Testing,

864.52, for sampling devices comprising a receptacle with suction means. Patents having a sole disclosure of or a claim to use in a well are classified in Class 166.

175, Boring or Penetrating the Earth,

308+, and the search there noted, for earth boring apparatus having a receptacle.