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Class Information
Number: 229/941
Name: Envelopes, wrappers, and paperboard boxes > Box having joint structure for preventing leakage
Description: Subject matter comprising a box which includes means for precluding box contents from escaping through a seam in the box.










Patents under this class:

Patent Number Title Of Patent Date Issued
8596520 Waterproof and anti-wicking corrugated container Dec. 3, 2013
8297491 Packaging container and blank Oct. 30, 2012
6505769 Partial web in tray corners Jan. 14, 2003
6488201 METHOD FOR FORMING A CORNER JOIN AT A CORNER OF A BOX, METHOD FOR MAKING A SOLID BOARD BLANK PERMEABLE TO AIR, BOX OBTAINED USING ONE OR BOTH METHODS, ASSEMBLY OF A BOX AND FILLING, THE USE OF Dec. 3, 2002
5476219 Packing paper box Dec. 19, 1995
5255842 Strengthened edge packaging containers Oct. 26, 1993
5042684 Bag-less box for flowable materials Aug. 27, 1991
4915292 End fill carton Apr. 10, 1990
4801073 Liquid packaging container with a filmed-over notch Jan. 31, 1989
4790450 Meat container Dec. 13, 1988
4746058 Material for packing containers May. 24, 1988
4728024 Liquid packaging container with filmed-over notches Mar. 1, 1988
4721242 Pack for liquids having edge protection, process for the production thereof and apparatus for carrying out the process Jan. 26, 1988
4583679 Resealable paperboard package Apr. 22, 1986
4556166 Liquid-tight cardboard barrel and method and device for manufacturing said barrel Dec. 3, 1985
4441626 Pizza box Apr. 10, 1984
4428499 Sift proof liner for outer container Jan. 31, 1984
4391833 Method of making and using heat resistant resin coated paperboard product and product thereof Jul. 5, 1983
4237171 Insulated and moisture absorbent food container and method of manufacture Dec. 2, 1980
4171064 Cardboard blank for gas-tight and liquid-tight folding boxes Oct. 16, 1979
4139119 Sift proof carton Feb. 13, 1979
4117971 Paper cups Oct. 3, 1978
4095734 Metal wall provided with either external or internal cladding Jun. 20, 1978
4067491 Leak-proof box Jan. 10, 1978
3998378 Folding box having a rectangular liquid-tight cemented bottom Dec. 21, 1976











 
 
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