US PATENT SUBCLASS 449 / 56
.~ Hive or frame cleaning

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

50  DF  BASE MOUNTED DEVICE {7}
56.~ Hive or frame cleaning

DEFINITION

Classification: 449/56

Hive or frame cleaning:

(under subclass 50) Structure including means to remove foreign material from the component parts of structure used to house a colony of bees.