US PATENT SUBCLASS 449 / 25
.~.~.~ Entrance
Current as of: June, 1999
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DEFINITION
Classification: 449/25
Entrance:
(under subclass 20) Structure comprising that passage in which the bees normally enter (or exit) the hive.
SEE OR SEARCH THIS CLASS, SUBCLASS:
16, for an alighting board that is adjustable to change the size or configuration of the hive entrance.