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COVER FOR MAINTAINING FRESHNESS OF COFFEE
   
Document Number
US Patent 3719306
Issued Date
March 6, 1973
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Abstract
A cover is provided for use in combination with a receptacle for coffee. The cover is utilizable in a receptacle having a circular, horizontal cross-section and rests on the top of the surface of the coffee in the receptacle. The cover comprises a circular disc having a radially extending slit which extends from the center of the disc to the periphery thereof to enable an overlapping of the portions of the disc on opposite sides of the slit but adjacent thereto. The disc has a larger diameter than the diameter of the bore of the bottle so that the periphery of the disc bears against the inner surface of the receptacle to protect the coffee from exposure to air.
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COVER FOR MAINTAINING FRESHNESS OF COFFEE - US Patent 3719306 Drawing
Drawing from US Patent 3719306
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Number of Claims:
3
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Owner
Published
March 6, 1973
Application Number
05/105,194
Filed
January 11, 1971
US Classification
220/578   426/115 426/124
Int'l Classification
B65D   81/24   (20060101)   B65D   77/26   (20060101)   B65D   77/24   (20060101)  
Assistant Examiner
USPTO Field of Search
220/93  
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