US PATENT SUBCLASS 166 / 85.2
.~.~ Pitless well adapters

Current as of: June, 1999
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166 /   HD   WELLS

75.11  DF  ABOVE GROUND APPARATUS {25}
85.1  DF  .~ With assembly or disassembly means (e.g., handling, guiding, or tool feature) {4}
85.2.~.~ Pitless well adapters

DEFINITION

Classification: 166/85.2

Pitless well adapters:

(under subclass 85.1) Assembling device in which the upper end of an inner pipe is connected to a below ground lateral port in a casing.