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Class Information
Number: 383/121
Name: Flexible bags > End structure (e.g. bottom)
Description: Subject matter wherein the bag includes a specified feature of the closed end.










Sub-classes under this class:

Class Number Class Name Patents
383/123 Formed by folding bag walls on common fold line and joining together 28
383/125 Overlapping extensions of opposed walls 29
383/121.1 Rigid bottom 56
383/122 Seamless 75


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8636412 Shopper bag Jan. 28, 2014
8622619 Packaging Jan. 7, 2014
8613548 Flexible pouch with curvilinear shape and method of forming Dec. 24, 2013
8591109 Stand-up pouch with a collapsible body Nov. 26, 2013
8382373 Wear-point protection system, apparatus and method Feb. 26, 2013
8303182 Plastic bag with pour spout and reinforced bottom end Nov. 6, 2012
8272782 Plastic film bag to increase load bearing capacity Sep. 25, 2012
8267580 Freestanding bag Sep. 18, 2012
8251971 Container filled with a liquid concentrate for making dialysate Aug. 28, 2012
8245872 Plastic bottom for package Aug. 21, 2012
8132601 Tote bag for being partitioned or alternatively expanded Mar. 13, 2012
8128288 Adaptable gift bag Mar. 6, 2012
8033726 Bulk bag handling assembly Oct. 11, 2011
7753589 Encapsulating bag for pressurized cylinders to reduce particulate contamination for clean room use Jul. 13, 2010
7661223 Portable security device for fishing rods and reels Feb. 16, 2010
7658543 Packaging material and packaging bag Feb. 9, 2010
7588370 Aircraft trash compacting bag Sep. 15, 2009
7534041 Folding bag construction May. 19, 2009
7534040 Bag made of film material May. 19, 2009
7524111 Rigid-bottomed resealable bag with handles Apr. 28, 2009
7476029 Bag for containing an article Jan. 13, 2009
7261467 Flexible container bag Aug. 28, 2007
7237672 Radiation bag system Jul. 3, 2007
7163340 Folding bag construction Jan. 16, 2007
7156556 Stand-up packaging pouch, package body and feed roll, and manufacturing methods therefor Jan. 2, 2007
6921203 Stand-up pouch with legs Jul. 26, 2005
6918699 Flat bottom bag with handle Jul. 19, 2005
6767317 Gussetted plastic bag Jul. 27, 2004
6692148 Plastic bag making apparatus Feb. 17, 2004
6626570 Produce bag with draw top Sep. 30, 2003
6461041 Gussetted plastic bag Oct. 8, 2002
6406764 Two-ply sterilization wrap and method for sterilizing an article Jun. 18, 2002
6347886 Disposable contoured tank liner and method of production Feb. 19, 2002
6257764 Insulated shipping container, method of making, and article and machine used in making Jul. 10, 2001
6228011 Bag-in-carton and method and device for forming the bag-in-carton May. 8, 2001
6126315 Container formed of lamination sheet Oct. 3, 2000
6089367 Securement of a pad to the inside of a bag Jul. 18, 2000
6082613 Interplant bulk shipment containers Jul. 4, 2000
6005234 Microwave popcorn bag with cross mitre arrangement Dec. 21, 1999
5988878 Expandable bag, especially for bicycle racks Nov. 23, 1999
5961034 Cloth box sleeve Oct. 5, 1999
5952025 Bag and method of making the same Sep. 14, 1999
5944251 Form fit container liner Aug. 31, 1999
5938337 Bottom filled, bottom-gusseted bag and method of making the same Aug. 17, 1999
5893644 Glue bottom bulk container Apr. 13, 1999
5860743 Stable flexible pouch and method for making the pouch Jan. 19, 1999
5845995 Bag made of polymer and especially polyolefine fabric and process for producing it Dec. 8, 1998
5786050 Easy opening pouch Jul. 28, 1998
5758973 Bulk bag with reinforced lift straps Jun. 2, 1998
5695287 Bulk container with glued bottom Dec. 9, 1997

1 2 3










 
 
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