US3522579A - Socket for decorating light bulb and device for connecting the bulb to cords in the socket - Google Patents

Socket for decorating light bulb and device for connecting the bulb to cords in the socket Download PDF

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Publication number
US3522579A
US3522579A US784522A US3522579DA US3522579A US 3522579 A US3522579 A US 3522579A US 784522 A US784522 A US 784522A US 3522579D A US3522579D A US 3522579DA US 3522579 A US3522579 A US 3522579A
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Prior art keywords
socket
base
lamp
legs
bulb
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Expired - Lifetime
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US784522A
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Ryosuke Matsuya
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/0005—Fastening of light sources or lamp holders of sources having contact pins, wires or blades, e.g. pinch sealed lamp
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/10—Lighting devices or systems using a string or strip of light sources with light sources attached to loose electric cables, e.g. Christmas tree lights

Definitions

  • a base for a miniature lamp is capable of having the lamp inserted therein and the base inserted in a socket with the lead wires of the lamp in electrical contact with leads of the socket.
  • the present invention relates to a socket with a base for miniature decorative lamps to be placed on Christmas trees or the like.
  • a lamp has leads which extend through the base and lie along diverging surfaces of leg parts which depend from the base.
  • the base is inserted into the socket, and the leads engage similarly arranged wires which extend into the socket against a central tongue part therein.
  • Yet another object of the present invention is to provide a socket molded integrately of a plastic insulating material such as polypropylene resin having excellent elasticity so that the socket may have still higher efiiciency.
  • FIG. 1 is a longitudinal sectional view of the socket with the lamp base separated therefrom;
  • FIG. 2 is a longitudinal sectional view of the socket with lamp base connected thereto;
  • FIG. 3 is a cross sectional view taken on the line III--III of FIG. 2;
  • FIG. 4 is a cross sectional view taken on the line IVIV of FIG. 2;
  • FIG. 5 is a top view of the lamp base
  • FIG. 6 is a bottom view of the lamp base
  • FIG. 7 is a top view of the socket.
  • a lamp base 1 molded of a plastic material having suitable elasticity and electric insulating property and having a lamp receiving recess 1a.
  • the lower part of said base is provided with two longitudinal legs 2, 2 within the circumferential shoulder 12 and a central bottom 13 between said two legs.
  • the insides of said legs 2,2 are inclined planes 2a, 2a which slant downward and diverge from one another.
  • the bottom of recess 11 is provided with the two small holes 3, 3 which are spaced apart and penetrate the said bottom to the aforementioned inclined planes 2a, 2a of the legs.
  • the lead wires 7, 7 extending from the lower part of the lamp 6 is inserted into the recess 1a and holes 3, 3 and pulled 3,522,579 Patented Aug. 4, 1970 ice out of the lower part of the base 1 after passing through the small holes 3, 3 in recess bottom 11 and the ends of these lead wires 7, 7 extend to the lower ends of the legs 2, 2 and are bent and pressed thereon after coming along the inclined planes 2a, 2a of the legs.
  • the socket 4 is made of the same material as that of the aforementioned base 1 and has a recess with a bottom 41 provided with two holes 4a, 4a which are spaced apart and penetrate the bottom of the socket.
  • a longitudinally extending tongue 5 projecting from said bottom 41.
  • Said tongue 5 has at its upper half, inclined planes 5a, 5a capable of mating with the inclined planes 2a, 2a at the inside of the legs 2, 2 of the base 1.
  • the terminal strips 9, 9 of electrical conducting material are fixed on the inclined planes 5a, 5a at both sides of tongue 5, and they are connected to the bare wires 8, 8 of an electric cord, inserted into the holes 4a, 4a from the outside.
  • composition and structure of the present invention are as stated above, so if both the base 1 and socket 4 are connected to each other with the lead wires 7, 7 of the lamp inserted in the base 1 pulled out of the small holes 3, 3 and bent along the inner sides of the legs 2, 2 and with the strips 9, 9 connected tothe wires 8, 8 fixed in the socket 4, both base and socket are connected as one body easily and surely as they both are molded of an elastic material such as polypropylene resin.
  • the base 1 can be set in the socket 4 in the connecting direction very easily and efliciently and the lead wires of the bulb can be positively connected to the terminal wires of the cord.
  • the socket for a miniature lamp is composed as stated above, it will have unequaled features in respect of its assembling as well as production efficiency, thus, readily achieving the expected objectives.
  • a socket for a decorative light comprising a lamp, a lamp base, and a socket; said base having a lamp receiving top recess and a pair of legs extending longitudinally of said base, the lower side of said legs having inclined planes on their inside diverging downward, said base being provided with a pair or longitudinal small holes said small holes extending from said recess to the inclined planes of said legs, lead wires from said lamp extending through said holes and along said leg planes, and said socket having a top recess, a pair of holes extending from said socket recess to the bottom of the socket and a tongue in said recess extending longitudinally of said socket, said tongue having at its upper half inclined planes conforming to the inclined planes at the inside of said legs of the base so that said base may be inserted in said socket and cord wires extending through said socket holes along said tongue.
  • a socket for a decorative light comprising a lamp base, said base having a lamp receiving recess in its upper part and a pair of legs projecting downward opposite to each other from the lower part of said base between a bottom circumferential shoulder and a center bottom portion, said legs having at their insides inclined planes diverging downward, and said base being provided with small holes from said recess to said legs, a lamp having lead wires, said small holes extending through to the inclined planes at the inside of said legs, a socket capable of mating with said legs and an electrical cord having wire portions extending in said socket to contact said lead wires.
  • a socket for a decorative light as claimed in claim 4 wherein said socket has a recess for mating with said References Cited UNITED STATES PATENTS 774,511 11/1904 Sprague 307-9 2,984,813 5/1961 Bossi 339176 X RICHARD E. MOORE, Primary Examiner U.S. CL. X.R. 339-176

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Connecting Device With Holders (AREA)

Description

g- 1970 RYOSUKE MATSUYA 3,522,579
SOCKET FOR DECORATING LIGHT BULB AND DEVICE FOR CONNECTING THE B ULB TO CORDS IN THE SOCKET 1 ed Nov. 26, 1968 FIGS FIG/E FIGZ INVENTOR. wzhtzdfda FIGB United States Patent O" SOCKET FOR DECORATING LIGHT BULB AND DEVICE FOR CONNECTING THE BULB TO CORDS IN THE SOCKET Ryosuke Matsuya, 10-7 2-ch0me, Daita Setagaya-ku,
Tokyo, Japan Filed Nov. 26, 1968, Ser. No. 784,522 Int. Cl. H011 17/00 US. Cl. 339-145 6 Claims ABSTRACT OF THE DISCLOSURE A base for a miniature lamp is capable of having the lamp inserted therein and the base inserted in a socket with the lead wires of the lamp in electrical contact with leads of the socket.
DESCRIPTION The present invention relates to a socket with a base for miniature decorative lamps to be placed on Christmas trees or the like. A lamp has leads which extend through the base and lie along diverging surfaces of leg parts which depend from the base. The base is inserted into the socket, and the leads engage similarly arranged wires which extend into the socket against a central tongue part therein.
It is an object of the present invention to provide a means for setting the lamp receiving base to the socket in a very simple manner connecting the lamp lead wires to electric cord leads in the socket automatically and surely by setting both the base and socket to each other.
It is another object of the present invention to provide a socket consisting only of a lamp receiving element and a cord lead receiving element for assuring easy handling and assembling as this kind of lamp is generally small both in size and electric capacity as is suggested by the name miniature lamp.
Yet another object of the present invention is to provide a socket molded integrately of a plastic insulating material such as polypropylene resin having excellent elasticity so that the socket may have still higher efiiciency.
In the accompanying drawing illustrating the present invention,
FIG. 1 is a longitudinal sectional view of the socket with the lamp base separated therefrom;
FIG. 2 is a longitudinal sectional view of the socket with lamp base connected thereto;
FIG. 3 is a cross sectional view taken on the line III--III of FIG. 2;
FIG. 4 is a cross sectional view taken on the line IVIV of FIG. 2;
FIG. 5 is a top view of the lamp base;
FIG. 6 is a bottom view of the lamp base; and
FIG. 7 is a top view of the socket.
Referring now more particularly to the accompanying drawing, there is shown a lamp base 1 molded of a plastic material having suitable elasticity and electric insulating property and having a lamp receiving recess 1a. The lower part of said base is provided with two longitudinal legs 2, 2 within the circumferential shoulder 12 and a central bottom 13 between said two legs. The insides of said legs 2,2 are inclined planes 2a, 2a which slant downward and diverge from one another. The bottom of recess 11 is provided with the two small holes 3, 3 which are spaced apart and penetrate the said bottom to the aforementioned inclined planes 2a, 2a of the legs. The lead wires 7, 7 extending from the lower part of the lamp 6 is inserted into the recess 1a and holes 3, 3 and pulled 3,522,579 Patented Aug. 4, 1970 ice out of the lower part of the base 1 after passing through the small holes 3, 3 in recess bottom 11 and the ends of these lead wires 7, 7 extend to the lower ends of the legs 2, 2 and are bent and pressed thereon after coming along the inclined planes 2a, 2a of the legs.
The socket 4 is made of the same material as that of the aforementioned base 1 and has a recess with a bottom 41 provided with two holes 4a, 4a which are spaced apart and penetrate the bottom of the socket. At the inside of the socket 4 there is a longitudinally extending tongue 5 projecting from said bottom 41. Said tongue 5 has at its upper half, inclined planes 5a, 5a capable of mating with the inclined planes 2a, 2a at the inside of the legs 2, 2 of the base 1. The terminal strips 9, 9 of electrical conducting material are fixed on the inclined planes 5a, 5a at both sides of tongue 5, and they are connected to the bare wires 8, 8 of an electric cord, inserted into the holes 4a, 4a from the outside.
When the legs 2, 2 are inserted into the socket 4 to connect the socket 4 to the base 1 with the bulb 6 fitted into it, the legs 2, 2 comes into contact with the inside wall of the recess in socket 4 and the upper circumferential top 42 of the socket 4 comes into contact with the lower circumferential shoulder 12 of the base 1, with the result that the lead wires 7, 7 of the bulb 6 are automatically pressed on and connected to the strips 9, 9 at the position where the top of the tongue 5 is ,in close contact with the central bottom 13. The composition and structure of the present invention are as stated above, so if both the base 1 and socket 4 are connected to each other with the lead wires 7, 7 of the lamp inserted in the base 1 pulled out of the small holes 3, 3 and bent along the inner sides of the legs 2, 2 and with the strips 9, 9 connected tothe wires 8, 8 fixed in the socket 4, both base and socket are connected as one body easily and surely as they both are molded of an elastic material such as polypropylene resin.
Furthermore, since the tongue 5 of the socket 4 is long in the diametral direction and so designed as to be pressed in between the legs 2, 2 of the base 1, the base 1 can be set in the socket 4 in the connecting direction very easily and efliciently and the lead wires of the bulb can be positively connected to the terminal wires of the cord.
If the socket for a miniature lamp is composed as stated above, it will have unequaled features in respect of its assembling as well as production efficiency, thus, readily achieving the expected objectives.
I claim:
1. A socket for a decorative light comprising a lamp, a lamp base, and a socket; said base having a lamp receiving top recess and a pair of legs extending longitudinally of said base, the lower side of said legs having inclined planes on their inside diverging downward, said base being provided with a pair or longitudinal small holes said small holes extending from said recess to the inclined planes of said legs, lead wires from said lamp extending through said holes and along said leg planes, and said socket having a top recess, a pair of holes extending from said socket recess to the bottom of the socket and a tongue in said recess extending longitudinally of said socket, said tongue having at its upper half inclined planes conforming to the inclined planes at the inside of said legs of the base so that said base may be inserted in said socket and cord wires extending through said socket holes along said tongue.
2. A socket as claimed in claim 1, wherein the lamp lead wires extend to the ends of said legs and bend around the lower ends of said legs; and said cord wires are fixed on the inclined planes at both sides of said tongue whereby said lamp lead wires may be pressed 3 on and connected to the cord wires by inserting said lamp base legs in said socket recess.
A socket for a decorative light as claimed in claim 1, wherein said base and socket are of a plastic insulating material such as polypropylene resin having excellent elasticity.
4. A socket for a decorative light comprising a lamp base, said base having a lamp receiving recess in its upper part and a pair of legs projecting downward opposite to each other from the lower part of said base between a bottom circumferential shoulder and a center bottom portion, said legs having at their insides inclined planes diverging downward, and said base being provided with small holes from said recess to said legs, a lamp having lead wires, said small holes extending through to the inclined planes at the inside of said legs, a socket capable of mating with said legs and an electrical cord having wire portions extending in said socket to contact said lead wires.
5. A socket for a decorative light as claimed in claim 4, wherein said socket has a recess for mating with said References Cited UNITED STATES PATENTS 774,511 11/1904 Sprague 307-9 2,984,813 5/1961 Bossi 339176 X RICHARD E. MOORE, Primary Examiner U.S. CL. X.R. 339-176
US784522A 1968-11-26 1968-11-26 Socket for decorating light bulb and device for connecting the bulb to cords in the socket Expired - Lifetime US3522579A (en)

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US78452268A 1968-11-26 1968-11-26

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Cited By (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3668603A (en) * 1970-09-02 1972-06-06 Itt Twist lock socket with connector
US3899669A (en) * 1974-04-01 1975-08-12 Albert Nathanson Two position lighting device
DE2841114A1 (en) * 1978-09-21 1980-03-27 Weiner Norbert THERMAL FUSE FOR ELECTRICAL DEVICES
US4491380A (en) * 1981-03-03 1985-01-01 Wu Jeng Shyong Receiving means adapted for a push-in type lamp socket
US4999751A (en) * 1989-09-05 1991-03-12 Chen Ming Hsiung Innovative structure of christmas light assembly
US5061189A (en) * 1989-10-31 1991-10-29 Harison Electric Co., Ltd. Lamp socket for use with a printed circuit board
US5139343A (en) * 1992-01-14 1992-08-18 Lin Wen Hsiung Lamp holder with switch means
US5261837A (en) * 1991-10-23 1993-11-16 Mcdonnell Douglas Corporation High density bi-pin receptacle
US5462350A (en) * 1993-11-23 1995-10-31 Digital Equipment Corporation Equipment cabinet stand
US5464354A (en) * 1994-02-01 1995-11-07 Akman; Alp T. Parallel and series plugs and wiring segments for ballon display
US5669701A (en) * 1996-07-24 1997-09-23 Lin; Fong-Shi Lamp holder structure
US5722860A (en) * 1996-12-09 1998-03-03 Pan; Wun Fang Watertight socket structure for use in a light bulb series
US5989047A (en) * 1998-08-19 1999-11-23 Huang; Shun-Feng Christmas lamp socket
US7253556B1 (en) 2006-12-08 2007-08-07 Tech Patent Licensing, Llc Light string socket with mechanical shunt
US20070211497A1 (en) * 2006-03-10 2007-09-13 Chao-Mu Cheng Bulb assembly with dual connecting types
US20080108251A1 (en) * 2006-10-25 2008-05-08 Qi Chen Light string
US7453194B1 (en) 2008-06-05 2008-11-18 Gibboney James W Mechanical shunt for use in the sockets of a string of lights
US7554266B1 (en) 2007-09-11 2009-06-30 Willis Electric Co., Ltd. Mechanical shunt for use in a socket in a string of lights
US20090317996A1 (en) * 2006-10-25 2009-12-24 Zheng Dianging Light string with improved shunt system
US20100003891A1 (en) * 2007-12-06 2010-01-07 Willis Electric Co., Ltd. Three dimensional displays having deformable constructions
US20100039019A1 (en) * 2008-08-18 2010-02-18 Zheng Dianqing Light string with improved shunt system
US20100289415A1 (en) * 2009-05-18 2010-11-18 Johnny Chen Energy efficient decorative lighting
US20110085327A1 (en) * 2009-10-14 2011-04-14 Johnny Chen Decorative light display with LEDs
US20130322087A1 (en) * 2012-05-29 2013-12-05 Wei-Jen Tseng Waterproof fairy light
US9055777B2 (en) 2010-09-23 2015-06-16 Willis Electric Co., Ltd. Modular artificial lighted tree with decorative light string
US9157587B2 (en) 2011-11-14 2015-10-13 Willis Electric Co., Ltd. Conformal power adapter for lighted artificial tree
US9179793B2 (en) 2012-05-08 2015-11-10 Willis Electric Co., Ltd. Modular tree with rotation-lock electrical connectors
US9222656B2 (en) 2011-11-14 2015-12-29 Willis Electric Co., Ltd. Conformal power adapter for lighted artificial tree
US9220361B1 (en) 2013-12-03 2015-12-29 Willis Electric Co., Ltd. Dual-voltage lighted artificial tree
US20160061431A1 (en) * 2013-02-04 2016-03-03 UCP International Co. Ltd. Illumination system
US9439528B2 (en) 2013-03-13 2016-09-13 Willis Electric Co., Ltd. Modular tree with locking trunk and locking electrical connectors
US9441823B1 (en) 2011-12-09 2016-09-13 Willis Electric Co., Ltd. Modular lighted artificial tree
US9572446B2 (en) 2012-05-08 2017-02-21 Willis Electric Co., Ltd. Modular tree with locking trunk and locking electrical connectors
US9671074B2 (en) 2013-03-13 2017-06-06 Willis Electric Co., Ltd. Modular tree with trunk connectors
US9883566B1 (en) 2014-05-01 2018-01-30 Willis Electric Co., Ltd. Control of modular lighted artificial trees
US9883706B2 (en) 2011-05-20 2018-02-06 Willis Electric Co., Ltd. Multi-positional, locking artificial tree trunk
US9894949B1 (en) 2013-11-27 2018-02-20 Willis Electric Co., Ltd. Lighted artificial tree with improved electrical connections
US10010208B2 (en) 2012-05-08 2018-07-03 Willis Electric Co., Ltd. Modular tree with electrical connector
US10206530B2 (en) 2012-05-08 2019-02-19 Willis Electric Co., Ltd. Modular tree with locking trunk
US10683974B1 (en) 2017-12-11 2020-06-16 Willis Electric Co., Ltd. Decorative lighting control

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US774611A (en) * 1898-04-30 1904-11-08 Sprague Electric Co Electrical coupling.
US2984813A (en) * 1960-07-14 1961-05-16 Frankel Associates Inc Lamp socket electrical connection

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US774611A (en) * 1898-04-30 1904-11-08 Sprague Electric Co Electrical coupling.
US2984813A (en) * 1960-07-14 1961-05-16 Frankel Associates Inc Lamp socket electrical connection

Cited By (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3668603A (en) * 1970-09-02 1972-06-06 Itt Twist lock socket with connector
US3899669A (en) * 1974-04-01 1975-08-12 Albert Nathanson Two position lighting device
DE2841114A1 (en) * 1978-09-21 1980-03-27 Weiner Norbert THERMAL FUSE FOR ELECTRICAL DEVICES
US4491380A (en) * 1981-03-03 1985-01-01 Wu Jeng Shyong Receiving means adapted for a push-in type lamp socket
US4999751A (en) * 1989-09-05 1991-03-12 Chen Ming Hsiung Innovative structure of christmas light assembly
US5061189A (en) * 1989-10-31 1991-10-29 Harison Electric Co., Ltd. Lamp socket for use with a printed circuit board
US5261837A (en) * 1991-10-23 1993-11-16 Mcdonnell Douglas Corporation High density bi-pin receptacle
US5139343A (en) * 1992-01-14 1992-08-18 Lin Wen Hsiung Lamp holder with switch means
US5462350A (en) * 1993-11-23 1995-10-31 Digital Equipment Corporation Equipment cabinet stand
US5464354A (en) * 1994-02-01 1995-11-07 Akman; Alp T. Parallel and series plugs and wiring segments for ballon display
US5669701A (en) * 1996-07-24 1997-09-23 Lin; Fong-Shi Lamp holder structure
US5722860A (en) * 1996-12-09 1998-03-03 Pan; Wun Fang Watertight socket structure for use in a light bulb series
US5989047A (en) * 1998-08-19 1999-11-23 Huang; Shun-Feng Christmas lamp socket
US20070211497A1 (en) * 2006-03-10 2007-09-13 Chao-Mu Cheng Bulb assembly with dual connecting types
US7399109B2 (en) * 2006-03-10 2008-07-15 Chao-Mu Cheng Bulb assembly with dual connecting types
US20080108251A1 (en) * 2006-10-25 2008-05-08 Qi Chen Light string
US7967619B2 (en) 2006-10-25 2011-06-28 Zheng Dianqing Light string with improved shunt system
US7591658B2 (en) 2006-10-25 2009-09-22 Ncp Corporation Light string with improved shunt system
US20090317996A1 (en) * 2006-10-25 2009-12-24 Zheng Dianging Light string with improved shunt system
US7253556B1 (en) 2006-12-08 2007-08-07 Tech Patent Licensing, Llc Light string socket with mechanical shunt
US7554266B1 (en) 2007-09-11 2009-06-30 Willis Electric Co., Ltd. Mechanical shunt for use in a socket in a string of lights
US20110195204A1 (en) * 2007-12-06 2011-08-11 Johnny Chen Three dimensional displays having deformable constructions
US7943211B2 (en) 2007-12-06 2011-05-17 Willis Electric Co., Ltd. Three dimensional displays having deformable constructions
US20100003891A1 (en) * 2007-12-06 2010-01-07 Willis Electric Co., Ltd. Three dimensional displays having deformable constructions
US7453194B1 (en) 2008-06-05 2008-11-18 Gibboney James W Mechanical shunt for use in the sockets of a string of lights
US7965025B2 (en) 2008-08-18 2011-06-21 Zheng Dianqing Light string with improved shunt system
US20100039019A1 (en) * 2008-08-18 2010-02-18 Zheng Dianqing Light string with improved shunt system
US20100289415A1 (en) * 2009-05-18 2010-11-18 Johnny Chen Energy efficient decorative lighting
US20110085327A1 (en) * 2009-10-14 2011-04-14 Johnny Chen Decorative light display with LEDs
US9484687B1 (en) 2010-09-23 2016-11-01 Willis Electric Co., Ltd. Modular lighted tree
US10070675B2 (en) 2010-09-23 2018-09-11 Willis Electric Co., Ltd. Modular lighted tree with internal electrical connection system
US9055777B2 (en) 2010-09-23 2015-06-16 Willis Electric Co., Ltd. Modular artificial lighted tree with decorative light string
US9887501B2 (en) 2010-09-23 2018-02-06 Willis Electric Co., Ltd. Modular artificial lighted tree with decorative light string
US9861147B1 (en) 2010-09-23 2018-01-09 Willis Electric Co., Ltd. Modular lighted tree
US9883706B2 (en) 2011-05-20 2018-02-06 Willis Electric Co., Ltd. Multi-positional, locking artificial tree trunk
US9157587B2 (en) 2011-11-14 2015-10-13 Willis Electric Co., Ltd. Conformal power adapter for lighted artificial tree
US9664362B2 (en) 2011-11-14 2017-05-30 Willis Electric Co., Ltd. Lighted artificial tree with multi-terminal electrical connectors for power distribution and control
US9222656B2 (en) 2011-11-14 2015-12-29 Willis Electric Co., Ltd. Conformal power adapter for lighted artificial tree
US9677749B2 (en) 2011-11-14 2017-06-13 Willis Electric Co., Ltd. Conformal power adapter for lighted artificial tree
US9441823B1 (en) 2011-12-09 2016-09-13 Willis Electric Co., Ltd. Modular lighted artificial tree
US9441800B1 (en) 2011-12-09 2016-09-13 Willis Electric Co., Ltd. Modular lighted artificial tree
US10010208B2 (en) 2012-05-08 2018-07-03 Willis Electric Co., Ltd. Modular tree with electrical connector
US9572446B2 (en) 2012-05-08 2017-02-21 Willis Electric Co., Ltd. Modular tree with locking trunk and locking electrical connectors
US10206530B2 (en) 2012-05-08 2019-02-19 Willis Electric Co., Ltd. Modular tree with locking trunk
US9179793B2 (en) 2012-05-08 2015-11-10 Willis Electric Co., Ltd. Modular tree with rotation-lock electrical connectors
US9648919B2 (en) 2012-05-08 2017-05-16 Willis Electric Co., Ltd. Modular tree with rotation-lock electrical connectors
US20130322087A1 (en) * 2012-05-29 2013-12-05 Wei-Jen Tseng Waterproof fairy light
US10401011B2 (en) * 2013-02-04 2019-09-03 UCP International Co. Ltd. Illumination system
US20160061431A1 (en) * 2013-02-04 2016-03-03 UCP International Co. Ltd. Illumination system
US9671074B2 (en) 2013-03-13 2017-06-06 Willis Electric Co., Ltd. Modular tree with trunk connectors
US10098491B2 (en) 2013-03-13 2018-10-16 Willis Electric Co., Ltd. Modular tree with locking trunk and locking electrical connectors
US9439528B2 (en) 2013-03-13 2016-09-13 Willis Electric Co., Ltd. Modular tree with locking trunk and locking electrical connectors
US9894949B1 (en) 2013-11-27 2018-02-20 Willis Electric Co., Ltd. Lighted artificial tree with improved electrical connections
US9220361B1 (en) 2013-12-03 2015-12-29 Willis Electric Co., Ltd. Dual-voltage lighted artificial tree
US9677748B1 (en) 2013-12-03 2017-06-13 Willis Electric Co., Ltd. Dual-voltage lighted artificial tree
US9883566B1 (en) 2014-05-01 2018-01-30 Willis Electric Co., Ltd. Control of modular lighted artificial trees
US10683974B1 (en) 2017-12-11 2020-06-16 Willis Electric Co., Ltd. Decorative lighting control
US10989374B1 (en) 2017-12-11 2021-04-27 Willis Electric Co., Ltd. Decorative lighting control
US11353176B1 (en) 2017-12-11 2022-06-07 Willis Electric Co., Ltd. Decorative lighting control

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