US PATENT SUBCLASS 29 / 236
.~.~ Well protector to sucker rod


Current as of: June, 1999
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29 /   HD   METAL WORKING

700  DF  MEANS TO ASSEMBLE OR DISASSEMBLE {55}
235  DF  .~ To apply or remove a resilient article (e.g., tube, sleeve, etc.) {2}
236.~.~ Well protector to sucker rod


DEFINITION

Classification: 29/236

Well protector to sucker rod:

(under subclass 235) Apparatus for applying or removing a well protector to or from a well sucker rod.

(1) Note. The well protector of this subclass is commonly a resilient thick sleeve.

(2) Note. This subclass includes apparatus for stretching the protector and placing the same on the drill pipe or rod apparatus for stretching the protector and placing it on a carrier and the carrier that transports the expanded protector to a position on the drill pipe or rod.

SEE OR SEARCH CLASS

277, Seal for a Joint or Juncture,

323, for a seal for well apparatus having an installation, removal, assembly, disassembly, or repair feature.