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Class D13/137.4 - Cord attached (e.g., extension cord or cord reel type)


Subclass of Class D13 - Equipment for production, distribution, or transformation of energy
No. of patents: 29
Last issue date: 09/21/2010


NumberTitleIssue Date
D624020Retracting extension cord reel
09/21/2010
D615929In-line surge suppressor
05/18/2010
D613248Power cord with socket
04/06/2010
D604244Cord reel
11/17/2009
D604245Cordset assembly
11/17/2009
D597031Tangle-free extension cord
07/28/2009
7210960Extension cord and method of manufacturing the same
A new extension cord and its manufacturing method. The new extension cord has a plurality of sockets at intervals along its longitude direction so as to reduce the whole length of extension cord and increase the number of the sockets. The jacks of sockets are protec...
05/01/2007
7114603Extension cord holder
An extension cord holder is provided. The extension cord holder has a main body. A first holding portion and a second holding portion are disposed on the two sides of the main body, and these two portions are in communication with each other. A first wheel assembly ...
10/03/2006
D527038Retractable musician's cord
08/22/2006
D510067Plug retention apparatus
09/27/2005
D489328Portable receptacle extension
05/04/2004
5895288Plant power line
A new plant power line for making cords of all types appear as a growing plant. The inventive device includes a planter container containing a hook and an electric cord having an elongated body with simulated leaves extending from the elongated body. The ...
04/20/1999
5518417Multiple electrical socket
A multiple electrical socket comprises a housing, a base, two reels, two fastening blocks, a shaft, and two extension cords provided respectively with an electrical socket fastened thereto. The reels and the fastening blocks are mounted on the shaft which...
05/21/1996
5320560Light-permeable extension cord connector
An extension cord connector construction wherein the connector components, including a visual power indicator, are encapsulated within a solid, light-permeable body to form the connector. By suspending the components in this manner, the lamp can be seen f...
06/14/1994
5292257Modular outlet strip
A modular surge protector is provided where only the number and types of modules needed are purchased and connected together by quick connect means. Generally, the modular surge protector includes a power distribution module, which is connected to a sourc...
03/08/1994
5286213Locking receptacle
An outlet arrangement is disclosed that positively engages the straight terminal blades of most standard plugs. A positive clamping action about the broad sides of the terminal blade holds the plug into the outlet. The user controls the clamping action by...
02/15/1994
5272587Extension socket
This invention relates to an extension socket and in particular to one including a base, a pair of conducting plates, a grounding plate, an overload protector, a light-emitting diode, a pulse absorber and a cover, whereby both sides of the extension socke...
12/21/1993
5171155Safety lock for electrical appliance plugs
An apparatus to prevent the insertion of the prongs of an electric cord plug into an electric outlet, where at least one of the prongs has a hole through it, includes a casing having ports for receiving the prongs of the plug, a latch within the casing fo...
12/15/1992
5109316Multiple outlet receptacle with circuit breaker and continuity switch mechanisms
A multiple outlet receptacle has a molded insulating body which includes multiple groups of internal contact elements disposed in the body and defining multiple electrical outlets adapted for receiving multiple outlet plugs. The receptacle also has a circ...
04/28/1992
5069634Snap lock extension cord and power tool connector
The present invention is directed toward an electrical connection device that positively engages the plug and receptacle ends of electrical devices to extension cords, adjacent extension cords, or positively engages an electrical cord with a power recepta...
12/03/1991
5007857Electrical receptacle with power indicator light
An electrical receptacle configured for electrical connection with an electrical plug having a pair of contact blades. The receptacle includes a first pair of receptacle contacts configured for electrical connection with the pair of contact blades. A seco...
04/16/1991
4998891Holder for maintaining electrical connections
A two-piece, shell-like holder composed of two telescopically mating shell portions sized to be connected together and to maintain a male and a female plug in electrical engagement with one another so that the interconnected shell structure assumes axial ...
03/12/1991
4897052Intermediate electrical component for a molded plug
An intermediate electrical component for an electrical connector has a body portion and a cap portion interfitted therewith. A plurality of terminal elements having stranded conductors connected to them are positioned in the body portion and substantially...
01/30/1990
4876713Signal circuit protector device for consumer use
A solid state protector device is disclosed for protecting a consumer's solid state electronic circuits from abnormal voltage and current surges. The device comprises an enclosure made of electrically non-conductive material having front, rear, side, top ...
10/24/1989
4871924Safety power receptacle with hot wire switch-through
Safety power outlet connected to a plurality of power lines and arranged to receive the prongs of a matching multi-pronged power plug has a receive terminal connected to each power line. The receive terminal is arranged to receive a corresponding prong of...
10/03/1989
4839533Remote safety switch
A foot operated safety switch, preferably including an electronic control reset circuit, is connected between a source of electrical current and the power cord of an electrically operated device having an on/off switch on it. The safety switch operates as...
06/13/1989
4664459Noiseless solid conductor flexible cable
The cable of this invention comprises a pair of solid, flat, flexible electrical conductors of beryllium-copper attached to a reinforcing webbing of braided nylon. The ends of the conductors are soldered to electrical connector sockets and pins which are ...
05/12/1987
4215277Sequencing light controller
A controller for sequentially energizing a plurality of lights, such as commercial display lighting or Christmas tree light strings, includes a plurality of outlet receptacles into which the lights or light strings may be connected, a Triac for each recep...
07/29/1980
4095871Portable electric current supply device for building sites and the like
A portable electric current supply device for building sites and the like. The device is constituted by a housing which in its interior holds current distribution equipment, other electric equipment and/or instruments. All the elements held by the housing...
06/20/1978
 
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