US PATENT SUBCLASS 166 / 85.3
.~.~ Seal or bushing insertion or removal

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}
85.3.~.~ Seal or bushing insertion or removal

DEFINITION

Classification: 166/85.3

Seal or bushing insertion or removal:

(under subclass 85.1) Assembling device including means for installing or removing a flow prevention device or cylindrical lining from a well member.