US PATENT SUBCLASS 449 / 20
.~ Passage

Current as of: June, 1999
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449 /   HD   BEE CULTURE

3  DF  HIVE {19}
20.~ Passage {4}
21  DF  .~.~> Queen/drone control means
22  DF  .~.~> Moth control means
23  DF  .~.~> One-way passage
24  DF  .~.~> Adjustable {1}

DEFINITION

Classification: 449/20

Passage:

(under subclass 3) Structure comprising that portion of a hive intended to allow movement of bees from one portion of the hive to another.

(1) Note. Included herein is an entrance to the hive.