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Class Information
Number: 220/800
Name: Receptacles > Closures > Removable closure retained by friction > Noncontinuous overlap along perimeter of closure, closure support > Juncture internal of passage mouth (e.g., stopper type closure)
Description: Subject matter wherein the frictional resistance occurs between the closure and closure support inner wall.


Patents under this class:

Patent Number Title Of Patent Date Issued
7186335 Process and device for biological treatment of a suspension in a bioreactor with integrated hydraulic top scum treatment Mar. 6, 2007
6149866 Stopper having a cavity for reagents and an assay method using said stopper Nov. 21, 2000
6116501 Stackable, self-supporting container with lid-alignment feature Sep. 12, 2000
5878873 Eyeglass container with lid Mar. 9, 1999
5868268 Storage container with self-retaining lip Feb. 9, 1999
5730309 Container with lid strongly lockable thereto Mar. 24, 1998
5578491 Reusable vented flask cap cover Nov. 26, 1996
5562222 Temporary cover for electrical outlet boxes Oct. 8, 1996
5520302 Petri dish having two-position lid May. 28, 1996
5497898 Container/closure assembly Mar. 12, 1996
5048714 Cover for an open-topped receptacle Sep. 17, 1991
4978024 Container lid Dec. 18, 1990
4860892 Film container Aug. 29, 1989
4815629 Closure plug for castings Mar. 28, 1989
4592481 Resilient stopper for integrated circuit magazine Jun. 3, 1986
4504009 Closure having means for retention in tubular container Mar. 12, 1985
4286713 Cover for a standard container Sep. 1, 1981



 
 
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