Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shari Cook0
Date of Patent
January 2, 2018
0Patent Application Number
149963280
Date Filed
January 15, 2016
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An apparatus and method for efficiently restricting access to a classroom is described. The apparatus is particularly well suited for a school teacher needing to quickly barricade the classroom door and restrict access into the classroom. The apparatus of the present invention is efficiently slid under the door and tightened to the door and jamb to restrain the opening of the door.
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