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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 118
220/793 Closure includes integral lifting tab 98
220/783 Closure interlocked by upward opening trough at passage mouth 70
220/782 Closure reinforced 75
220/781 Having structure to stack or nest when not in use 89
220/789 Interlock internal to passage mouth (e.g., stopper type closure) 168
220/794 Interlock surface on closure is bent or impressed 24
220/784 Noncontinuous interlock along perimeter of closure, closure support juncture 147
220/795 With gasket or packing 72


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8701930 Lid featuring ease of use and improved release from a tray or container Apr. 22, 2014
8684212 Tamper-evident container that indicates when the container has been tampered with or opened Apr. 1, 2014
8672163 Reinforced paper lid Mar. 18, 2014
8657149 Thin-walled packaging sheath closure having a form-shaping support part Feb. 25, 2014
8651316 Container lid configured to prevent tea bag from blocking a drinking aperture related methods Feb. 18, 2014
8646635 Scallop cap closures Feb. 11, 2014
8640914 Tamper-evident thermoformed package and tab arrangement Feb. 4, 2014
8616405 Drink cup lid Dec. 31, 2013
8602252 Liquid dispensing cover for container Dec. 10, 2013
8584887 Tamper evident container utilizing sealed interface between container and lid Nov. 19, 2013
8544672 Collapsible safety beverage cover Oct. 1, 2013
8540112 Drinking containers Sep. 24, 2013
8534492 Container with air-tight lid Sep. 17, 2013
8470230 Method for forming a container and cap assembly Jun. 25, 2013
8459486 Container and lid Jun. 11, 2013
8439219 Cap seal for container such as drum, and doubly-sealing apparatus of container such as drum using the same May. 14, 2013
8430268 Lid having a circumferential rim with a plurality of annular ribs Apr. 30, 2013
8408418 Drum cover with center support Apr. 2, 2013
8403175 Container with fluid-collecting lip and lid with peripheral flange for covering lip Mar. 26, 2013
8403174 Snap resealing closure for a container Mar. 26, 2013
8403160 Container with audible freshness locking system Mar. 26, 2013
8397936 Package for transporting foodstuff Mar. 19, 2013
8387821 Food container Mar. 5, 2013
8376163 Lid and container for carbonated beverage Feb. 19, 2013
8371483 Lid for containers which have an opening with a rolled inside edge Feb. 12, 2013
8342359 Condiment and sauce container with gripping area Jan. 1, 2013
8333277 Paint roller sleeve storage container Dec. 18, 2012
8322567 Containers with pill dispensing feature Dec. 4, 2012
8322555 Resealable tamper-evident container assembly and lid Dec. 4, 2012
8322565 Container and cap assembly Dec. 4, 2012
8317043 Beverage containers Nov. 27, 2012
8317050 Disposable cup lid Nov. 27, 2012
8317060 Snap resealing closure for a container Nov. 27, 2012
8308004 Dispensing package having non-removable and non-rotatable dispensing closure Nov. 13, 2012
8308021 Disposable storage container Nov. 13, 2012
8286827 Sippy cup lid for a beverage can Oct. 16, 2012
8286826 Drinking containers Oct. 16, 2012
8276783 Container for food and beverage Oct. 2, 2012
8245873 Container with sealing lid releasibly fastened to container Aug. 21, 2012
8240504 Container lid with printable rim Aug. 14, 2012
8240505 Easy-open sealing type food container Aug. 14, 2012
8210377 Closure edge protection via polymer coated metal Jul. 3, 2012
8205768 Container lid and associated assembly Jun. 26, 2012
8181819 Lid and container May. 22, 2012
8127961 Double ribbed secure container Mar. 6, 2012
8118187 Lid for a cup-shaped receptacle Feb. 21, 2012
8091732 Plastic food container with leveraged, conical, area seal Jan. 10, 2012
8083093 Plastic container with pivoting bottom wall portions Dec. 27, 2011
8083094 Container and cap assembly Dec. 27, 2011
8083095 Container assembly having positive snap seal Dec. 27, 2011

1 2 3 4 5










 
 
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