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Class Information
Number: 439/220
Name: Electrical connectors > Alternatively connected > Coupling part > Lamp or electron tube socket or base
Description: Coupling part particularly adapted to detachably receive and electrically couple to a member intended to radiate light, or to a member including electrical, amplifying or switching means utilizing an environment excluding vacuum maintaining envelope; or comprising the electrical connector of such a light radiating or switching member.

Patents under this class:

Patent Number Title Of Patent Date Issued
8186841 Backlight device, liquid crystal display device, and method for assembling backlight device May. 29, 2012
8101878 GU24 3-way dimmer knob-type switch lampholder Jan. 24, 2012
7963661 Display light fixtures Jun. 21, 2011
7871301 Decorative light Jan. 18, 2011
7744412 Apparatus for making electrical contact with luminous means in spotlights Jun. 29, 2010
7738273 Connector device and power detecting apparatus utilizing the same Jun. 15, 2010
7703962 Lighting device for a vehicle with a reflector compatible with several models of lamp Apr. 27, 2010
7597574 Lamp fasteners for semiconductor processing reactors Oct. 6, 2009
7390225 Radiation lamp and radiation source module incorporating same Jun. 24, 2008
7311540 Safety mechanism adapted for a light bulb socket so as to securely receive therein an energy saving bulb Dec. 25, 2007
7104828 Bulb socket Sep. 12, 2006
6875036 Multi-purpose plug-in lamp socket Apr. 5, 2005
6824409 Holder for lamps with a two-pin cap Nov. 30, 2004
6779911 Separation device of a lamp holder and a fixing seat Aug. 24, 2004
6672890 Electrical adapter Jan. 6, 2004
6296377 Convertible modular lantern Oct. 2, 2001
5134554 Lighting system Jul. 28, 1992
5113044 One-way/three-way light socket May. 12, 1992
4999752 Electric lamp with multiple power connectors Mar. 12, 1991
4502103 Light with mount for plural lamp bulbs Feb. 26, 1985
4076359 Lamp socket assembly affording variable bulb focal length positioning Feb. 28, 1978

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