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Class Information
Number: 215/361
Name: Bottles and jars > Closures > Stopper type > Expanding type > Stem operated
Description: Devices, wherein a rod-like member coacts with the stopper to effect expansion and contraction of the stopper.










Patents under this class:

Patent Number Title Of Patent Date Issued
8651303 Locking stopper component Feb. 18, 2014
7850030 Expansible bottle stopper with radial expansion and shrinkage Dec. 14, 2010
7832581 Closure and methods for placing and removing such a closure Nov. 16, 2010
7731043 Bottle stopper for sealing bottle mouth tightly Jun. 8, 2010
7347338 Method for closing and opening of an opening Mar. 25, 2008
6769560 Bottle stopper Aug. 3, 2004
6719160 Bottle stopper Apr. 13, 2004
6536618 Bottle plug Mar. 25, 2003
6419104 Compressible plug with internal compression anchor Jul. 16, 2002
6296136 Obturator with improved retention in a metal sheet aperture Oct. 2, 2001
6168036 Corkscrew-free bottle stopper Jan. 2, 2001
5886297 Method and apparatus for sealing, on a non-permanent basis, a housing for enclosing electronic equipment Mar. 23, 1999
5779085 Expandable pin plug for automated use Jul. 14, 1998
5740935 Bung hole plug Apr. 21, 1998
5447374 Positioning device for temperature sensor in freeze drying Sep. 5, 1995
5109997 Expandable stopper May. 5, 1992
5004113 Plug and blood circulation device with the plug Apr. 2, 1991
4691836 Apertured closure device with depressible disc portion Sep. 8, 1987
4621743 Self-sealing closure device Nov. 11, 1986
3937350 Stopper for bottles Feb. 10, 1976











 
 
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