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Class Information
Number: 439/222
Name: Electrical connectors > Alternatively connected > Coupling part > Receptacle having distinct openings for distinct prongs
Description: Coupling part comprising a receptacle* including a contact located within a first recess therein for receipt of a male contact and including a contact within a second recess are constructed such that only a contact of a required characteristic with respect to the coupling part of which it is a part can interfit therewith.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8702436 Universal plug adaptor Apr. 22, 2014
8613627 Universal connector socket Dec. 24, 2013
8469730 Electrical connector and method of manufacturing same Jun. 25, 2013
8403691 Fan connector Mar. 26, 2013
8313350 Multi-functional wiring plug converter Nov. 20, 2012
8079858 Lamp connector for a backlight assembly Dec. 20, 2011
8070519 Electrical connector incorporated with signal controlling circuitry Dec. 6, 2011
8021176 Power supply connector Sep. 20, 2011
7871301 Decorative light Jan. 18, 2011
7836216 Connector system for supporting multiple types of plug carrying accessory devices Nov. 16, 2010
7683974 Detection device for video/audio interface outlet and earphone line outlet Mar. 23, 2010
7627343 Media player system Dec. 1, 2009
7585176 Connector encompassing 15-pin high density D-SUB pinout having additional pin capacity Sep. 8, 2009
7563129 Video signal transmitting device for computer system having analog and digital video signal output functionality Jul. 21, 2009
7536483 Computer system having analog and digital video signal output functionality, and computer device and video signal transmitting device thereof May. 19, 2009
7476111 Two-plug electrical outlet with dual voltage Jan. 13, 2009
7287995 Medical lead and lead connector system Oct. 30, 2007
7270554 Audio jack with plug or head set identification circuit Sep. 18, 2007
7234954 International electrical receptacle Jun. 26, 2007
7232322 Power adapter with optional types of replaceable plug Jun. 19, 2007
7204727 Electrical connector element with rewirable spring contacts Apr. 17, 2007
7094085 Electrical socket adapter Aug. 22, 2006
6991482 Power plug Jan. 31, 2006
6988905 Audio jack with plug or head set identification circuit Jan. 24, 2006
6974342 Connector elements including protective member for preventing connection to certain connector elements Dec. 13, 2005
6854994 Medical electrical lead connector arrangement including anti-rotation means Feb. 15, 2005
6817879 Service port configurations Nov. 16, 2004
6790086 Electrical plug Sep. 14, 2004
6644986 Medical equipment power cord and plug Nov. 11, 2003
6547578 Multi-direction insertion socket with conductor structure Apr. 15, 2003
6422884 Pre-wired circuit component for flexible wiring system Jul. 23, 2002
6340306 Bridge clip for a connector Jan. 22, 2002
6328584 Split circuit 120/240 volt adapter Dec. 11, 2001
6328581 Universal electric adapter Dec. 11, 2001
6250940 Computer connector that can provide both signal and power connection or only a signal connection Jun. 26, 2001
6227883 Electric combination socket May. 8, 2001
6097117 Electrical connector structure including integral resistive element for operating a motor at two speeds Aug. 1, 2000
6075341 Power pack charging system for a power tool Jun. 13, 2000
6030241 Electrical connector with contacts oriented either perpendicular or straight for use on printed circuit cards Feb. 29, 2000
6010347 Universal electric socket Jan. 4, 2000
5964610 Reversible power entry Oct. 12, 1999
5836777 Electrical outlet device for connection with various types of plugs Nov. 17, 1998
5758414 Method of making universal electrical connector Jun. 2, 1998
5626495 Screwless connector May. 6, 1997
5616041 Female connector for a plastic molded receptacle and an extension cord Apr. 1, 1997
5584715 Universal electrical connector for receiving DC and AC electrical connectors Dec. 17, 1996
5545046 Charging connector for electric vehicle Aug. 13, 1996
5322449 Triple NEMA-Standard power plug receptacle Jun. 21, 1994
5258890 Device for connecting the connection pins of an integrated circuit mounted in a dual-in-line (DIL) package to printed circuitry on a printed circuit board in n different ways Nov. 2, 1993
5222670 Battery pack adapter Jun. 29, 1993

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