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Class Information
Number: D23/260
Name: Environmental heating and cooling; fluid handling and sanitary equipment > Fluid handling or treatment equipment > Fitting (10) > Cap, plug, vent or screen (11)
Description:










Sub-classes under this class:

Class Number Class Name Patents
D23/261 Drain guard or strainer (12) 208


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
D350814 Drywell cover Sep. 20, 1994
D346201 Portable storm drain cover Apr. 19, 1994
D344242 Skimmer test plug Feb. 15, 1994
D341142 Replacement oil drain plug Nov. 9, 1993
D337152 Vent stack cover Jul. 6, 1993
D326507 End cap for a motorhome waste line May. 26, 1992
D314548 Gas tank vent for boats Feb. 12, 1991
D314172 Cover for a splash resistant gas vent for boats Jan. 29, 1991
D311056 End cap for a tube Oct. 2, 1990
D306200 Water meter replacement plug Feb. 20, 1990
D300350 Expansible sealing plug for pipelines and the like Mar. 21, 1989
D298849 Cap for sap collecting unit Dec. 6, 1988
D294169 Gas storage cylinder valve cover Feb. 9, 1988
D294170 Gas storage cylinder valve cover Feb. 9, 1988
D294171 Gas storage cylinder valve cover Feb. 9, 1988
D287997 Air eliminator for plumbing systems Jan. 27, 1987
D285169 Screwable cap for a non-penetrating fastener assembly Aug. 19, 1986
D284604 Air control apparatus Jul. 8, 1986
D284265 Screwable cap for a non-penetrating fastener assembly Jun. 17, 1986
D284264 Screwable cap for a non-penetrating fastener assembly Jun. 17, 1986
D284263 Screwable cap for a non-penetrating fastener assembly Jun. 17, 1986
D284266 Screwable cap for a non-penetrating fastener assembly Jun. 17, 1986
D281350 Thread protector for pipes Nov. 12, 1985
4537731 Saddle filling member for gas-liquid contact Aug. 27, 1985
D275984 Fuel tank cap adaptor ring Oct. 16, 1984
D275512 Fuel tank cap Sep. 11, 1984
D274548 Combined cap and adapter ring for a fuel tank Jul. 3, 1984
D272940 High pressure cover Mar. 6, 1984
D268722 Pull cap for waterbed filler neck Apr. 26, 1983
D265848 High pressure cover Aug. 17, 1982
D260170 Protective cover for a sewer pipe flange Aug. 11, 1981
4269232 Protective cap for pipes May. 26, 1981
4244073 Pipeline pig Jan. 13, 1981
D257057 Pipe test cap Sep. 23, 1980
D252156 Diaphragm Jun. 19, 1979
D248133 Sink stopper Jun. 13, 1978
D248134 Tub stopper Jun. 13, 1978
4064053 Strainer improvement Dec. 20, 1977
D245991 Collar for gas tank filling pipes of service stations Oct. 4, 1977
D245333 Pipe vent Aug. 9, 1977
D245255 Vent cover Aug. 2, 1977
D244027 Plug for electrical junction boxes and connectors Apr. 12, 1977

1 2 3 4










 
 
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