US Patent No: 4,261,505

Number of patents in Portfolio can not be more than 2000

Packaging container

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Importance

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Abstract

A packaging container for eggs or the like is constituted by a bottom section made of foamed plastic sheet material and provided with a flange at its periphery, and a top section made of non-foamed plastic sheet material and provided with a flange at its periphery, the flanges being downwardly bent and heat-sealed except for the end portions thereof so that the heat-sealed portions can be readily peeled off by a user.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
SEKISUI KASEIHIN KOGYO KABUSHIKI KAISHANARA67

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Matsui, Takashi Ibaraki, JP 94 345

Cited Art

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Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
FUJI SEAL INTERNATIONAL, INC. (1)
5,062,568 Thermoplastic cup and method and apparatus for making 23 1990
 
KEYMED (MEDICAL & INDUSTRIAL EQUIPMENT) LTD. (1)
D310563 Storage case for medical instrument 8 1986
 
SCIENTIFIC APPLIED RESEARCH (SAR) PLC (1)
D305616 Egg packaging container 4 1986
 
ULTRA PAC, INC. (1)
5,456,379 Blueberry container 92 1994
 
ULTRA PACK, INC. (1)
D363879 Blueberry container 99 1994