US PATENT SUBCLASS 52 / 560
.~ Tapered

Current as of: June, 1999
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52 /   HD   STATIC STRUCTURES (E.G., BUILDINGS)

518  DF  LAPPED MULTIPLANAR SURFACING; E.G., SHINGLE TYPE {7}
560.~ Tapered

DEFINITION

Classification: 52/560

(under subclass 518) Structure including a facing section whose thickness varies from one end to the other.