US PATENT SUBCLASS 52 / 60
.~ Interfitting parts

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

58  DF  EXTERIOR-TYPE FLASHING {3}
60.~ Interfitting parts {1}
61  DF  .~.~> Within wall

DEFINITION

Classification: 52/60

(under subclass 58) Structure wherein the sheet material comprises at least two interfitting sections.