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Class Information
Number: 220/780
Name: Receptacles > Closures > Removable closure situated by resilient distortion and retained by preformed configuration (e.g., detent)
Description: Subject matter wherein the closure or closure support is provided with structure designed to induce a deformation of the closure or the closure support during their mating cooperation, the return of the deformed portion to its normal position serves to cause an interlock between the closure and the closure support, thus preventing their casual separation.


Sub-classes under this class:

Class Number Class Name Patents
220/792 Closure flange has noninterlocking contact internal to passage mouth 106
220/793 Closure includes integral lifting tab 73
220/783 Closure interlocked by upward opening trough at passage mouth 58
220/782 Closure reinforced 67
220/781 Having structure to stack or nest when not in use 66
220/789 Interlock internal to passage mouth (e.g., stopper type closure) 131
220/794 Interlock surface on closure is bent or impressed 17
220/784 Noncontinuous interlock along perimeter of closure, closure support juncture 112
220/795 With gasket or packing 59


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
7611029 Drinking cup lid with a reclosable drink opening using a sliding member Nov. 3, 2009
7591389 Drinking cup lid with self-securing sliding member Sep. 22, 2009
7591394 Child-resistant package, closure and container Sep. 22, 2009
7568585 Plastic, snap-on capseal Aug. 4, 2009
7540652 Paint can cover assembly with improved locking means Jun. 2, 2009
7530470 Child resistant aerosol can cover May. 12, 2009
7485831 Slow cooker Feb. 3, 2009
7475789 Bucket with a lid having a pivoting tab Jan. 13, 2009
7467710 Molded package Dec. 23, 2008
7455192 Overmolded adhesive hole plug Nov. 25, 2008
7357272 Ventable container assembly Apr. 15, 2008
7337917 Interlockable seal Mar. 4, 2008
7337916 Pressure/moisture release cooking container Mar. 4, 2008
7318536 Drink cup and lid Jan. 15, 2008
7299941 Container seal with flexible central panel Nov. 27, 2007
7275652 Cup lid apparatus Oct. 2, 2007
7258905 Sealable food container with improved lidding and stacking features Aug. 21, 2007
7242278 Portable transmitter contained in a hard-to-open case Jul. 10, 2007
7210593 Tamper-evident quick twist closure May. 1, 2007
7207440 Blister pack Apr. 24, 2007
7185781 Hot drink cup lid with cooling air-flow Mar. 6, 2007
7178685 Straw receptacle lid Feb. 20, 2007
7165306 Overcap having improved fit Jan. 23, 2007
7156253 Single-piece paper cup sip adaptor Jan. 2, 2007
7118003 Tamper resistant container with tamper-evident feature and method of forming the same Oct. 10, 2006
7097063 Plate container with detachable cover Aug. 29, 2006
7097066 Plate container with detachable cover Aug. 29, 2006
7090089 Container and sealing cover Aug. 15, 2006
7059492 Moisture-proof resealable, non-cylindrical container for consumer packages Jun. 13, 2006
7028858 Quick-twist pop-off closure Apr. 18, 2006
6981607 Container cap assembly Jan. 3, 2006
6896144 Filtration and separation apparatus and method of assembly May. 24, 2005
6851569 Reusable lid and container Feb. 8, 2005
6845878 Containers Jan. 25, 2005
6827232 Resin case providing compatibility between air permeability and water proofing property, and mold for producing such case Dec. 7, 2004
6786351 Domed food container Sep. 7, 2004
6733852 Disposable serving plate with sidewall-engaged sealing cover May. 11, 2004
6722520 Container including a slider and a reclosable fastener Apr. 20, 2004
6719166 Hermetic closure system between a cover and a package Apr. 13, 2004
6685049 Thin wall closure for use with a container Feb. 3, 2004
6612456 Drink-through cup lid having selectively inwardly and outwardly rotatable hinged portion Sep. 2, 2003
6604647 Molded container and lid having strategically positioned drainage opening Aug. 12, 2003
6604646 Portable food container cover with detachable utensil Aug. 12, 2003
6604645 Container lid and implement Aug. 12, 2003
6540268 Closure device for a container and furthermore a container fitted with the closure device Apr. 1, 2003
6523713 Stackable hinged container lid having detents Feb. 25, 2003
6478181 Shrinkable tray with attachable lids Nov. 12, 2002
6460716 Container with food seals Oct. 8, 2002
6450358 Hygienic beverage can attachment Sep. 17, 2002
6401967 Frozen dessert container Jun. 11, 2002

1 2 3 4


 
 
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