US PATENT SUBCLASS 166 / 241.4
.~.~ Surrounding existing rod

Current as of: June, 1999
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166 /   HD   WELLS

241.1  DF  GUIDE FOR DEVICE OR CONDUIT {3}
241.2  DF  .~ On sucker or pump rod {2}
241.4.~.~ Surrounding existing rod

DEFINITION

Classification: 166/241.4

Surrounding existing rod:

(under subclass 241.2) Apparatus where the centralizer encircles and is secured to a fluid moving structure having no alteration to accommodate the centralizer.