US2004134910A1PendingUtilityA1

Thermally insulating transparent food package

49
Priority: Oct 31, 2002Filed: Oct 31, 2003Published: Jul 15, 2004
Est. expiryOct 31, 2022(expired)· nominal 20-yr term from priority
Inventors:Edward A. Colombo
B65D 2543/00351B65D 2543/00194B65D 43/164B65D 2251/1033B65D 2543/00296
49
PatentIndex Score
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Cited by
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Claims

Abstract

A food container comprising a polymer foam bottom compartment hingeably joined to a transparent polymer top cover.

Claims

exact text as granted — not AI-modified
I claim:  
     
         1 . A food container comprising a polymer foam bottom compartment hingeably joined to a transparent polymer top cover.  
     
     
         2 . The food container as recited in  claim 1 , wherein said bottom compartment comprises a first flap.  
     
     
         3 . The food container as recited in  claim 2 , wherein said top cover comprises a second flap, and wherein said first flap and said second flap are joined to each other.  
     
     
         4 . The food container as recited in  claim 3 , wherein said first flap and said second flap are joined to each other by adhesive.  
     
     
         5 . The food container as recited in  claim 3 , wherein said first flap and said second flap are joined to each other by ultrasonic welding.  
     
     
         6 . The food container as recited in  claim 3 , wherein said first flap and said second flap are joined to each other by heat sealing.  
     
     
         7 . The food container as recited in  claim 1  wherein said bottom compartment is dish-shaped.  
     
     
         8 . The food container as recited in  claim 7 , wherein said top compartment is dish shaped.  
     
     
         9 . The food container as recited in  claim 7 , wherein said top compartment is substantially planar.  
     
     
         10 . The food container as recited in  claim 1 , wherein said food container comprises at least about 80 weight percent polystyrene.  
     
     
         11 . The food container as recited in  claim 10  wherein said food container is made entirely of polystyrene.  
     
     
         12 . The food container as recited in  claim 1 , wherein said bottom compartment comprises at least about 80 weight percent polystyrene.  
     
     
         13 . The food container as recited in  claim 12 , wherein said top cover comprises a material other than polystyrene.  
     
     
         14 . The food container as recited in  claim 10  wherein said bottom compartment is made entirely of polystyrene.  
     
     
         15 . The food container as recited in  claim 1  wherein said bottom compartment comprises at least one latch hole.  
     
     
         16 . The food container as recited in  claim 15  wherein said top cover comprises at least one latching tab engageable with said at least one latch hole.  
     
     
         17 . The food container as recited in  claim 1  wherein said bottom compartment comprises a first lip around the perimeter thereof.  
     
     
         18 . The food container as recited in  claim 1  wherein said top cover comprises a second lip around the perimeter thereof.  
     
     
         19 . The food container as recited in  claim 1 , wherein said food container is nestable.

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