US PATENT SUBCLASS 52 / 223.2
.~ Pressure vessel

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)

223.1  DF  WITH COMPONENT HAVING DISCRETE PRESTRESSING MEANS {7}
223.2.~ Pressure vessel

DEFINITION

Classification: 52/223.2

Pressure vessel:

(under subclass 223.1) Preloaded structure comprising a specialized container that is specifically designed to withstand, over the entire interior face, a fluid force that is substantially greater than normal atmospheric conditions.

SEE OR SEARCH CLASS

220, Receptacles,

565+, for stationary tanks.