US PATENT SUBCLASS 119 / 433
.~.~ Main body portion composition

Current as of: June, 1999
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119 /   HD   ANIMAL HUSBANDRY

416  DF  CONFINING OR HOUSING {11}
428  DF  .~ Birdhouse {5}
433.~.~ Main body portion composition {2}
434  DF  .~.~.~> Metallic
435  DF  .~.~.~> Plastic

DEFINITION

Classification: 119/433

Main body portion composition:

(under subclass 428) Subject matter wherein the principal structural element of the birdhouse is of a specified material or substance.