Closures > Removable closure retained by friction > Patents

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Class Information
Number: 220/796
Name: Receptacles > Closures > Removable closure retained by friction
Description: Subject matter wherein the closure is intended to engage the closure support with such close tolerance the inherent frictional resistance to motion prevents their casual separation.

Sub-classes under this class:

Class Number	Class Name	Patents
220/797	Closure embraced by upwardly opening trough at passage mouth	15
220/805	Closure includes integral lifting tab	26
220/801	Juncture internal of passage mouth (e.g., stopper type closure)	64
220/799	Noncontinuous overlap along perimeter of closure, closure support	22
220/806	With gasket or packing	31

Patents under this class:

1 2

Patent Number	Title Of Patent	Date Issued
5657895	Food container	Aug. 19, 1997
5518135	Roll-resistant tennis ball can and lid	May. 21, 1996
5511684	Container with movable bottom portion for dispensing contents	Apr. 30, 1996
5011039	Device to support and protect documents	Apr. 30, 1991
4984688	Film box	Jan. 15, 1991
4815628	Container sealer	Mar. 28, 1989
4688696	Injection-molded enclosures	Aug. 25, 1987
4360119	Cover for sealing open mouth of a container	Nov. 23, 1982
4341324	Bowl and cover assembly	Jul. 27, 1982
4179040	Storage and serving container or the like	Dec. 18, 1979
3987829	Container with lid	Oct. 26, 1976