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Browse by Category: Main > Packaging & Containers
Class Information
Number: 383/121.1
Name: Flexible bags > End structure (e.g. bottom) > Rigid bottom
Description: Subject matter wherein the bag bottom is made of stiff, inflexible material.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8245872 Plastic bottom for package Aug. 21, 2012
8210353 Vacuum storage slipcover and storage and/or transport bag integrating such a slipcover Jul. 3, 2012
7810998 Multi-handle utility bag Oct. 12, 2010
7597478 Insulated bag with lifting apparatus Oct. 6, 2009
7543990 Tubular bag Jun. 9, 2009
7534041 Folding bag construction May. 19, 2009
7524111 Rigid-bottomed resealable bag with handles Apr. 28, 2009
7494029 Container cartridge for beverage dispenser and support structure thereof Feb. 24, 2009
7163340 Folding bag construction Jan. 16, 2007
6565290 Carrier bag for pneumatic delivery system May. 20, 2003
6478463 Tool storage bag Nov. 12, 2002
6447165 Shipping container that can be stiffened Sep. 10, 2002
6248296 Disposable beaker sheath Jun. 19, 2001
6146016 Handle closure system Nov. 14, 2000
6132090 Container Oct. 17, 2000
6127168 Containers useful for cell cultures and other applications Oct. 3, 2000
6113270 Flexible container with supporting side beams Sep. 5, 2000
6102569 Folding collapsible storage box Aug. 15, 2000
6073372 Method of advertising Jun. 13, 2000
6068402 Foldable cooler May. 30, 2000
6048099 Soft-sided insulated container Apr. 11, 2000
5947277 Attractive hanging receptacle for plastic bags Sep. 7, 1999
5897211 Flexible bulk container with supporting side beams Apr. 27, 1999
5850911 Bag with integral cup holders Dec. 22, 1998
5785175 Flexible bulk bag with improved base Jul. 28, 1998
5660478 Container for holding fluent material Aug. 26, 1997
5653318 Detachable hard-shell bottom for soft-sided medical kits Aug. 5, 1997
5632558 Container for compressed articles May. 27, 1997
5603573 Multi-use bag Feb. 18, 1997
5586655 Line storage device Dec. 24, 1996
5553733 Article cover Sep. 10, 1996
5467853 Children's activity case Nov. 21, 1995
5462711 Disposable beaker sheath Oct. 31, 1995
5439109 Line storage device Aug. 8, 1995
5393143 Bag and method of making the same Feb. 28, 1995
5249692 Vapor seal Oct. 5, 1993
5213418 Reusable bag May. 25, 1993
5190089 Protective collapsible bag assembly for appliance items Mar. 2, 1993
5161895 Gift sack with drawstring or the like and method for making the same Nov. 10, 1992
5158369 Stabilized flexible container for flowable materials Oct. 27, 1992
5065879 Collapsible multi-layer insulator for a beverage container Nov. 19, 1991
5033613 Carrying package and receptacle for a soap product Jul. 23, 1991
5014872 Sleeved containers with thin film lining May. 14, 1991
4949863 Isolator for work in an aseptic environment Aug. 21, 1990
4930903 Gift wrapping package Jun. 5, 1990
4930644 Thin film container with removable lid and related process Jun. 5, 1990
4844286 Portable secondary containment apparatus for chemicals Jul. 4, 1989
4651791 Collapsible structures primarily useful as wastebaskets Mar. 24, 1987
4542826 Flexible bag type beverage can carrier Sep. 24, 1985
4426015 Container Jan. 17, 1984

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