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Class Information
Number: 220/235
Name: Receptacles > Closures > Externally adjustable plug or gasket > Closure carried gasket and expander means > Screw actuated
Description: Device wherein a threaded element is employed to effect the coaction between the deformable means and the expander member.










Sub-classes under this class:

Class Number Class Name Patents
220/236 With retainer 17
220/237 With wedging expander 32


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8701915 Easy grip, readily removable and reusable self-locking oil pan plug Apr. 22, 2014
8701916 Plastic pan and drain plug assembly Apr. 22, 2014
8556102 Sealing plug Oct. 15, 2013
8403166 Sealable storage container Mar. 26, 2013
8381934 Sealing plug for blind installation Feb. 26, 2013
8333219 Plug for setting in a pipe Dec. 18, 2012
7878220 Pipe plug with a locating appliance Feb. 1, 2011
7740145 Bottle cap Jun. 22, 2010
7258711 High volume liquid waste collection and disposal system Aug. 21, 2007
7207454 Method and apparatus for sealing and re-sealing an annular vessel opening Apr. 24, 2007
7121526 Drain plug assembly Oct. 17, 2006
6830095 Casting mold plug Dec. 14, 2004
6669048 Neck apparatus and closure system for a multi-compartment bottle Dec. 30, 2003
6607087 Stopper for forming a gas-tight seal for a variety of bottles Aug. 19, 2003
6513549 Plug structure of a liquid drainage installation Feb. 4, 2003
6361099 Vehicle floor covering with integral threaded drain tube and method of making same Mar. 26, 2002
6290279 Insertable vehicle floor drain Sep. 18, 2001
6189718 Fluidtight seal for a container Feb. 20, 2001
6170690 Air-tightly sealable container with bell jar covering Jan. 9, 2001
6076797 Mold sealing plug Jun. 20, 2000
5884668 Plumbing tool for temporarily plugging a pipe Mar. 23, 1999
5881420 Chimney clamp and seal Mar. 16, 1999
5740935 Bung hole plug Apr. 21, 1998
5735425 Reusable beer keg plug Apr. 7, 1998
5657890 Stopper assembly for a mold opening Aug. 19, 1997
5297691 Closure plug and methods of employing the same to maintain a fire-rated barrier Mar. 29, 1994
5197567 Replacement drain hole closure Mar. 30, 1993
5184698 Expandable plug Feb. 9, 1993
5131553 Tubular plastic shipping, storage and dispensing container and parts usable therewith Jul. 21, 1992
5078294 Method for tight sealing and hole arrangement Jan. 7, 1992
5074380 Method and apparatus for changing oil in an internal combustion engine Dec. 24, 1991
5044403 Dirt and moisture sealing pipe plug for sealing different size pipe Sep. 3, 1991
4964659 Diaphragm latch mechanism Oct. 23, 1990
4930657 Floatable drain plug Jun. 5, 1990
4920747 Header dump assembly May. 1, 1990
4919426 Dust cover for game board Apr. 24, 1990
4820474 Pressure seal stud hole plug unit Apr. 11, 1989
4762151 Blank plug assembly Aug. 9, 1988
4759462 Closure for a threaded opening Jul. 26, 1988
4609121 Safety closure cap Sep. 2, 1986
4581933 Aircraft casing indicator seal Apr. 15, 1986
4574971 Sealing assembly for vessels Mar. 11, 1986
4547242 Autoclave for bonding composite lenses Oct. 15, 1985
4494670 Removable freeze plug Jan. 22, 1985
4465039 Engine block heater with expansion yoke Aug. 14, 1984
4461597 Valve box cover Jul. 24, 1984
4440309 Hermetical stopper for liquid receptacle Apr. 3, 1984
4432465 Fire rated closure plug Feb. 21, 1984
4401228 Mechanism for rapid and hermetic closing of ceramic containers Aug. 30, 1983
4380302 Container closure Apr. 19, 1983

1 2










 
 
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