Buckle-proof clamshell carton
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United States of America Patent
Stats
-
Jul 26, 1994
Grant Date -
N/A
app pub date -
Apr 23, 1993
filing date -
Jun 12, 1992
priority date (Note) -
In Force
status (Latency Note)
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Importance

US Family Size
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Non-US Coverage
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Patent Longevity
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Forward Citations
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Abstract
A clamshell type carton is provided with a cut along the hinge score line connecting the upper cover and lower tray portions. A second cut is placed in the back panel of the carton, above or below the hinge score line cut, wherein the second cut is a continuous curve having a first end point located in the back panel and a second end point intersecting the cut along the hinge score line. The second cut is utilized to facilitate the easy opening and closing of the carton without buckling occurring in the back panel in the region of the hinge score line.

First Claim
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | Total Patents |
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PERSECO DIVISION OF THE HAVI GROUP LP | OAK BROOK, IL | 4 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Sorenson, John F | Naperville, IL | 9 | 235 |
Cited Art Landscape
Patent Info | (Count) | # Cites | Year |
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* 4570845 Carton closure releasable by deformation | 16 | 1984 | |
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* 4413726 Display box | 16 | 1982 | |
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* 4877178 Paperboard foldable carton | 36 | 1989 | |
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* 4792085 Buckle-proof clamshell container | 26 | 1987 | |
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* 4431128 One piece blank for nesting double tray, coverable, burger and fries box | 26 | 1982 | |
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* 5098013 Single slice pizza carrier | 26 | 1991 | |
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* 4909432 Paper container for liquid | 12 | 1988 | |
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* 5205476 Clamshell carton having an improved latching mechanism | 47 | 1992 | |
* 5221040 Buckle-proof clamshell carton | 27 | 1992 | |
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* 4360147 Semi-domed paperboard food carton | 23 | 1981 | |
* 5039003 Paperboard food carton and divider | 82 | 1988 | |
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* 4304353 Container with latching structure | 40 | 1980 | |
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* 4389013 Container having a self-locking lid | 37 | 1981 |
Patent Citation Ranking
Forward Cite Landscape
Patent Info | (Count) | # Cites | Year |
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* 2007/0012,755 Two-piece food-serving apparatus with separable and optionally re-attachable hinge | 4 | 2005 | |
* 9938036 Clamshell container with anti-bind feature | 0 | 2017 | |
* D808090 Pet waste scooping tool | 0 | 2017 | |
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6349875 Container having an improved hinge | 10 | 2000 | |
8733622 Blank and container having an anti-buckling mechanism | 3 | 2011 | |
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* 2005/0011,898 Sealable portion cups and lids therefor | 10 | 2004 | |
* 2007/0246,469 SEPARABLE CONTAINERS ARRANGED IN ARRAYS WITH INTEGRALLY FORMED LIDS | 5 | 2007 | |
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D695608 Box | 5 | 2012 | |
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* 7874476 Container and blank for the production thereof | 6 | 2006 | |
* 2009/0032,575 CONTAINER AND BLANK FOR THE PRODUCTION THEREOF | 0 | 2006 | |
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* 5553772 Paperboard clamshell carton | 16 | 1995 | |
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5843544 Articles which include a hinged starch-bound cellular matrix | 32 | 1996 | |
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8702371 Method of handling clamshell containers containing a particulate aliquot | 0 | 2007 | |
7938284 Buckling clamshell container for automated aliquot and dispersal processes | 2 | 2007 | |
* 2009/0010,750 METHOD OF HANDLING CLAMSHELL CONTAINERS CONTAINING A PARTICULATE ALIQUOT | 4 | 2007 | |
8887938 Buckling clamshell container for automated aliquot and dispersal processes | 1 | 2009 | |
8639383 Automated research planting system, method, and apparatus | 3 | 2009 | |
* 2010/0070,072 AUTOMATED RESEARCH PLANTING SYSTEM, METHOD, AND APPARATUS | 8 | 2009 | |
8834089 Package assembly handling system for handling clamshell containers containing a particulate aliquot | 0 | 2010 | |
* 2010/0209,221 METHOD OF HANDLING CLAMSHELL CONTAINERS CONTAINING A PARTICULATE ALIQUOT | 1 | 2010 | |
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* 9540135 Clamshell container with anti-bind feature | 0 | 2014 | |
* 2014/0263,599 CLAMSHELL CONTAINER WITH ANTI-BIND FEATURE | 0 | 2014 | |
* D753994 Container with lock | 1 | 2014 | |
* D762468 Container with lock | 2 | 2014 | |
D787321 Container with lock | 4 | 2016 | |
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* 9776759 Dual-compartment container | 0 | 2016 | |
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7802695 Lidded container with linear brim segments and medial sealing beads | 6 | 2007 | |
7658296 Sealable portion cups and lids therefor | 5 | 2007 | |
* 2007/0295,721 SEALABLE PORTION CUPS AND LIDS THEREFOR | 8 | 2007 | |
* 2007/0295,741 LIDDED CONTAINER WITH LINEAR BRIM SEGMENTS AND MEDIAL SEALING BEADS | 3 | 2007 | |
D645737 Sealable snack container | 10 | 2010 | |
D645339 Sealable snack container | 11 | 2010 | |
9474420 Sealable snack container | 0 | 2011 | |
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* 8740050 Carton with lid | 3 | 2011 | |
* 2012/0138,668 CARTON WITH LID | 0 | 2011 | |
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5707474 Methods for manufacturing hinges having a highly inorganically filled matrix | 37 | 1995 | |
5660904 Sheets having a highly inorganically filled organic polymer matrix | 58 | 1995 | |
5631053 Hinged articles having an inorganically filled matrix | 47 | 1995 | |
5705203 Systems for molding articles which include a hinged starch-bound cellular matrix | 32 | 1996 | |
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* 2003/0230,582 Separable containers arranged in arrays with integrally formed lids | 15 | 2003 | |
* 2004/0164,076 Lidded container with linear brim segments and medial sealing beads | 16 | 2004 | |
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* 2010/0018,969 PACKAGING FOR FOOD PRODUCTS | 4 | 2009 |
Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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