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Class Information
Number: 449/6
Name: Bee culture > Hive > Observation
Description: Structure including provision to allow viewing of the interior of the hive without opening the hive.

Patents under this class:

Patent Number Title Of Patent Date Issued
7686672 Beehive lid Mar. 30, 2010
5628671 Observation hive May. 13, 1997
5035668 Beehive Jul. 30, 1991
4443904 Bee hive Apr. 24, 1984
4263684 Observation hive Apr. 28, 1981
4153960 Beehive May. 15, 1979
4094026 Beehive Jun. 13, 1978

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