US PATENT SUBCLASS 52 / 21
.~ Masonry or concrete

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)

19  DF  WITH ENTRANCE FOR PERSONS OR OBJECTS IN HORIZONTAL OR INCLINED COVER {2}
21.~ Masonry or concrete

DEFINITION

Classification: 52/21

(under subclass 19) Structure including a masonry or concrete component which is constructed entirely of masonry or concrete.