US PATENT SUBCLASS 52 / 538
.~.~.~ Plural opposed flanges

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

Internet Version by PATENTEC © 1999      Terms of Use


52 /   HD   STATIC STRUCTURES (E.G., BUILDINGS)

518  DF  LAPPED MULTIPLANAR SURFACING; E.G., SHINGLE TYPE {7}
519  DF  .~ Interfitted sections {14}
536  DF  .~.~ Face-to-face tongue and groove; e.g., dado {2}
538.~.~.~ Plural opposed flanges

DEFINITION

Classification: 52/538

(under subclass 536) Structure wherein each of the sections has plural upstanding flanges, including sections forming a tongue or groove which mesh with each other.

SEE OR SEARCH THIS CLASS, SUBCLASS:

537, for a similar structure wherein entire sheets are corrugated to provide meshing sections.