US PATENT SUBCLASS 52 / 559
.~.~ Formed by slot

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}
557  DF  .~ Plural tabs or facing elements simulator {2}
559.~.~ Formed by slot

DEFINITION

Classification: 52/559

(under subclass 557) Structure wherein the tabs or facing simulations are formed by slots which extend through the facing section.