US PATENT SUBCLASS 405 / 251
.~.~ With joint or connection between sections of similar material


Current as of: June, 1999
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405 /   HD   HYDRAULIC AND EARTH ENGINEERING

229  DF  FOUNDATION {2}
231  DF  .~ Columnar structure (e.g., pier, pile) {7}
251.~.~ With joint or connection between sections of similar material {1}
252  DF  .~.~.~> Between concrete sections


DEFINITION

Classification: 405/251

With joint or connection between sections of similar material:

(under subclass 231) Elongated member comprising a plurality of longitudinal sections of similar material and including means for connecting the sections end-to-end.

SEE OR SEARCH CLASS

52, Static Structures (e.g., Buildings),

726.1+, for shafts comprised of end-to-end connected sections.

403, Joints and Connections, appropriate subclasses for a connecting means, per se.