US PATENT SUBCLASS 110 / 332
.~ Planar surface area

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

Internet Version by PATENTEC © 1999      Terms of Use


110 /   HD   FURNACES

331  DF  ARCH OR ROOF STRUCTURE {2}
332.~ Planar surface area {1}
333  DF  .~.~> Inclined {1}

DEFINITION

Classification: 110/332

Planar surface area:

(under subclass 331) Structure wherein the roof has a flat horizontal contour.