US PATENT SUBCLASS 138 / 103
COMBINED

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


138 /   HD   PIPES AND TUBULAR CONDUITS

103COMBINED {6}
104  DF  .~> With indicating means
105  DF  .~> With trench
106  DF  .~> With external support structure {1}
108  DF  .~> With means to support disparate element therein
109  DF  .~> With end structure
110  DF  .~> With hose protector

DEFINITION

Classification: 138/103

(under the class definition) Subject matter comprising structure in addition to or combined with the wall structure of the pipe or tube.

SEE OR SEARCH CLASS

174, Electricity: Conductors and Insulators,

47, for the combination of a fluid conduit and an electrical conductor.