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...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.

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Class 449/15 - Cover


Subclass of Class 449 - Bee culture
Definition: Structure comprising a removable top most portion of a hive.
No. of applications: 3
Last issue date: 10/27/2011


Application No.Application TitleIssue Date
20110263182Beehive enclosure with moisture elimination
An enclosure cover for collecting and disposing of unwanted moisture within honeybee hives during periods of temperature and humidity conditions that promote alternate freezing and thawing. An internal cover surface collects and condenses moisture produced by the bees' ...
10/27/2011
20090068926Assembly for capturing bees
An assembly 10 for capturing bees comprises a bee hive defining a hive chamber 14 housing a plurality of comb frames 16, and a bee access opening 18 to the bee hive. The assembly includes a collection enclosure 30 defining a collection...
03/12/2009
20080119110Beehive Lid
The lid of the beehive has a split open top (10) held by a mechanism to the one side of the body (99) of the lid. By opening the top (10) of the lid a surface is revealed which has containers (8) on the one side and an easily open cover (4...
05/22/2008
 
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