US1938309A - Electrical outlet or switch - Google Patents
Electrical outlet or switch Download PDFInfo
- Publication number
- US1938309A US1938309A US503789A US50378930A US1938309A US 1938309 A US1938309 A US 1938309A US 503789 A US503789 A US 503789A US 50378930 A US50378930 A US 50378930A US 1938309 A US1938309 A US 1938309A
- Authority
- US
- United States
- Prior art keywords
- box
- switch
- electrical
- escutcheon plate
- outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
- H02B1/056—Mounting on plugboards
Definitions
- This invention relates to electrical outlets or switches and more especially to outlets or switches of the flush type, and the chief objects of the invention are to provide ready accessibility to the operative mechanism of a switch; to provide for easy mounting and removal of the outlet or switch constructions without disconnecting the wires leading into the outlet box; to provide for easy repair or replacement of defective or worn parts; and to provide an improved electrical outlet and switch construction which easily may be substituted for outlets or switches of standard design.
- the lead-in wires are first connected to contact points in the boxes and accordingly such short circuits cannot result, and the switches, plugs or other outlets are arranged to be inserted into the boxes with contact members thereon adapted to engage with the contact points in the box, the switches, plugs or other outlets being readily mounted, removed and replaced without disturbing the connections to the contact points in the box.
- FIG. 1 is a vertical section through an electrical switch embodying the invention in its preferred form, separable parts thereof being shown in separated condition;
- Figure 2 is a section of the structure shown in Figure 1, the separable parts being shown in associated, operative position; o0
- Figure 3 is a front elevation of the switch box or receptacle with the escutcheon plate removed therefrom;
- Figure 4 is a rear elevation of an escutcheon plate and switch mechanism mounted thereupon;
- Figure 5 is a vertical section through an electrical outlet, separable parts thereof being shown in separated condition
- Figure 6 is a section of the structure shown in Figure 5, the separable parts being shown in associated, operative position;
- Figure 7 is a front elevation of an outlet box witih the escutcheon plate removed therefrom;
- Figure 8 is a rear elevation of an outlet box escutcheon plate and mechanism mounted thereon.
- 10 is a metal switch box or receptacle of the type employed where the electric conductor wires 11,
- terminal blocks 13, 13 of porcelain, "Bakelite, or similar dielectric material secured to the box by screws 14, 14.
- Each terminal block 13 is formed with sockets or recesses 15, 15 of rectangular cross-section extending from front to rear of the block, and molded into said sockets are respective spring-metal clips 16 which have integral portions extending to the surface of the dielectric structure and constituting terminals to which the conductor wires 11 may be attached as by soldering as at 17.
- the switch structure includes an escutcheon plate 18 of metal, bakelite, or other suitable material, and secured to the back of said plate by screws 19, 19 are housing 20, 20 of dielectric material containing the movable mechanism of respective switches, the operating levers 21 of which project from the front of the escutcheon plate. Extending rearwardly from the housings 20 are blade-like electric connector members 22, 22 for the switch mechanism therein, and said connector members are arranged symmetrically with relation to the sockets 15 so as to flt there- 0 in when the escutcheon plate is mounted upon the' front of the switch box 10, as is shown in Figure 2, and to make electrical connection with the respective terminal clips 16 in said sockets.
- the separable parts of the structure so interfit as to remain normally in assembled relation, the parts preferably are secured together by screws 23, 23 which pass through the escutcheon plate from the front thereof and are threaded into respective ears 24, 24 formed on the upper and lower margins oi the box it) at the front thereof.
- the arrangement prevents accidental or malicious removal of the escutcheon plate, especially by children.
- FIGS. 5 to 8 inclusive show the invention as it is embodied in electric outlets.
- the outlet box 25 thereof is of the type usually employed where the electric-conductor wires 26 are brought to it in flexible conduits 27 of insulating material.
- Mounted in the top and bottom of the box 25 are terminals blocks 13, 13 which are identical with the terminal blocks 13 of the switch structure, and are similarly connected with the conductor wires 26, the box being of a size which requires but one upper and one lower terminal block.
- the outlet is provided with the usual escutcheon plate 28, and mounted upon the back thereof is a dual socket member 29 such as is provided for receiving the usual plugs attached to service cords (not shown).
- the socket member 29 is secured to the escutcheon plate by a screw 30, and said plate is formed with the usual apertures 31, 31 to admit the plug terminals to the socket member.
- Projecting rearwardly from the dual socket 29 are electric connector members 32, 32 which are similar in form and function to the members 22 of the switch structure, the members 32 being arranged to fit within the sockets 15 of the respective terminal blocks 13* when the escutcheon plate 28 is mounted upon the front of the outlet box 25, as is clearly shown in Figure 6.
- the escutcheon plate is secured to the outlet box by screws 23', 23 threaded into ears 33, 33 formed on the upper and lower margins of the box 25 at the front thereof.
- a box adapted to be mounted in a wall or panel and having electrical terminals permanently secured therein to which electrical power leads extending into the box may be permanently attached, an escutcheon plate for covering said box and overlying the joint between said box and the wall or panel, and a removable electrical conducting unit inserted in said box with contact members thereon engaged with said terminals, said unit being attachable to said terminals or separable therefrom without disturbing the connection of the power leads thereto and being retained in said box by said escutcheon plate.
- a box adapted to be mounted in a wall or panel and having electrical terminals permanently secured therein to which electrical power leads may be permanently attached
- a removable electrical conducting unit receivable in the box and having elements for contacting with said terminals when said unit is inserted in the box, said terminals and said elements adapted to be slidingly engaged
- an escutcheon plate for covering the box and for retaining said unit in place therein, said unit being unsecured to the box except by engagement of the elements and terminals whereby the unit is readily removable and replaceable upon removal of the escutcheon plate.
- a box adapted to be mounted in a wall or panel and having electrical terminals secured therein to which electrical power leads may be permanently attached, a removable electrical conducting unit receivable in the box and having elements for contacting with said terminals when said unit is inserted in the box, and an escutcheon plate for covering the box and for retaining said unit in place therein, said unit being unsecured to the box whereby the unit is readily removable and replaceable upon removal of the escutcheon plate.
Description
Patented Dec. 5, I933 umri-zo STATES PATENT OFFICE Application December 20, 4930 Serial No. 503,789
3 Claims.
This invention relates to electrical outlets or switches and more especially to outlets or switches of the flush type, and the chief objects of the invention are to provide ready accessibility to the operative mechanism of a switch; to provide for easy mounting and removal of the outlet or switch constructions without disconnecting the wires leading into the outlet box; to provide for easy repair or replacement of defective or worn parts; and to provide an improved electrical outlet and switch construction which easily may be substituted for outlets or switches of standard design.
Further objects contemplated are the provision of electrical switches or outlets in which the leadin wires are permanently aflixed as by soldering; to-avoid loose, high-resistance connections which waste current and result in poor reception when a radio receiving set is connected to such a circuit; to permit switch or outlet to be removed and replaced without disconnecting the current thereto, and to other switches or outlets on the same circuit; to avoid the hazards connected with operations upon a switch or outlet with the current on; to permit persons with no knowledge of electricity to make changes in switches or outlets in perfect safety; and to eliminate breakage oi lead-in wires at entrance to the box. this breakage resulting from the bending of the leadin wires incidental to repairing or replacing the electrical mechanism in present types of switches and convenience-outlets.
Heretofore in the construction of buildings, it has been the practice to set the electrical switch, plug and other outlet boxes in the wall with the ends of the leads bunched in the boxes, then to finish the walls as by plastering or the like and finally to set in the switches, plugs or other outlets. Frequently the plaster is filled into the switch or outlet boxes which are covered and are not located after the building is finished and short circuits are likely to occur in the outlet boxes when electricity is supplied the building. In accordance with the present invention the lead-in wires are first connected to contact points in the boxes and accordingly such short circuits cannot result, and the switches, plugs or other outlets are arranged to be inserted into the boxes with contact members thereon adapted to engage with the contact points in the box, the switches, plugs or other outlets being readily mounted, removed and replaced without disturbing the connections to the contact points in the box.
Of the accompanying drawings:
Figure 1 is a vertical section through an electrical switch embodying the invention in its preferred form, separable parts thereof being shown in separated condition;
Figure 2 is a section of the structure shown in Figure 1, the separable parts being shown in associated, operative position; o0
Figure 3 is a front elevation of the switch box or receptacle with the escutcheon plate removed therefrom;
Figure 4 is a rear elevation of an escutcheon plate and switch mechanism mounted thereupon;
Figure 5 is a vertical section through an electrical outlet, separable parts thereof being shown in separated condition;
Figure 6 is a section of the structure shown in Figure 5, the separable parts being shown in associated, operative position;
Figure 7 is a front elevation of an outlet box witih the escutcheon plate removed therefrom; an
Figure 8 is a rear elevation of an outlet box escutcheon plate and mechanism mounted thereon.
Referring to Figures 1 to 4 of the drawings, 10 is a metal switch box or receptacle of the type employed where the electric conductor wires 11,
11 are carried in metal conduits 12, the open, 30 front face of the box being flushwith the wall behind which the box is mounted. Mounted in the top and bottom of the box 10, in front of the incoming wires 11, are respective terminal blocks 13, 13 of porcelain, "Bakelite, or similar dielectric material secured to the box by screws 14, 14. Each terminal block 13 is formed with sockets or recesses 15, 15 of rectangular cross-section extending from front to rear of the block, and molded into said sockets are respective spring-metal clips 16 which have integral portions extending to the surface of the dielectric structure and constituting terminals to which the conductor wires 11 may be attached as by soldering as at 17. Although a plurality of upper and lower terminal blocks 13'are shown, it will be obvious that any number may be used without departing from the spirit of the invention.
The switch structure includes an escutcheon plate 18 of metal, bakelite, or other suitable material, and secured to the back of said plate by screws 19, 19 are housing 20, 20 of dielectric material containing the movable mechanism of respective switches, the operating levers 21 of which project from the front of the escutcheon plate. Extending rearwardly from the housings 20 are blade-like electric connector members 22, 22 for the switch mechanism therein, and said connector members are arranged symmetrically with relation to the sockets 15 so as to flt there- 0 in when the escutcheon plate is mounted upon the' front of the switch box 10, as is shown in Figure 2, and to make electrical connection with the respective terminal clips 16 in said sockets.
Although the separable parts of the structure so interfit as to remain normally in assembled relation, the parts preferably are secured together by screws 23, 23 which pass through the escutcheon plate from the front thereof and are threaded into respective ears 24, 24 formed on the upper and lower margins oi the box it) at the front thereof. The arrangement prevents accidental or malicious removal of the escutcheon plate, especially by children.
Figures 5 to 8 inclusive show the invention as it is embodied in electric outlets. The outlet box 25 thereof is of the type usually employed where the electric-conductor wires 26 are brought to it in flexible conduits 27 of insulating material. Mounted in the top and bottom of the box 25 are terminals blocks 13, 13 which are identical with the terminal blocks 13 of the switch structure, and are similarly connected with the conductor wires 26, the box being of a size which requires but one upper and one lower terminal block.
The outlet is provided with the usual escutcheon plate 28, and mounted upon the back thereof is a dual socket member 29 such as is provided for receiving the usual plugs attached to service cords (not shown). The socket member 29 is secured to the escutcheon plate by a screw 30, and said plate is formed with the usual apertures 31, 31 to admit the plug terminals to the socket member. Projecting rearwardly from the dual socket 29 are electric connector members 32, 32 which are similar in form and function to the members 22 of the switch structure, the members 32 being arranged to fit within the sockets 15 of the respective terminal blocks 13* when the escutcheon plate 28 is mounted upon the front of the outlet box 25, as is clearly shown in Figure 6. The escutcheon plate is secured to the outlet box by screws 23', 23 threaded into ears 33, 33 formed on the upper and lower margins of the box 25 at the front thereof.
It will be observed that the screws 14, 14 which hold the terminal blocks 13, 13 in their respective boxes 1Q, 25 are positioned relatively close to the front of said boxes. The arrangement is such that previously installed boxes of standard design easily may be drilled and tapped in situ for the screws 14, 14* so that conversion of prior installations into the improved structures embodied in this invention readily may be effected.
The invention may be modified within the scope of the appended claims which are not limited wholly to the specific construction shown and described. It will be understood, of course, that either of the types of boxes shown or other suitable boxes may be used for either the switch, plug or other outlets, the showing in the drawings being merely illustrative of how the invention may be embodied in either type of outlet box.
What is claimed is:
1. In electrical apparatus, the combination of a box adapted to be mounted in a wall or panel and having electrical terminals permanently secured therein to which electrical power leads extending into the box may be permanently attached, an escutcheon plate for covering said box and overlying the joint between said box and the wall or panel, and a removable electrical conducting unit inserted in said box with contact members thereon engaged with said terminals, said unit being attachable to said terminals or separable therefrom without disturbing the connection of the power leads thereto and being retained in said box by said escutcheon plate.
2. In electrical apparatus, the combination of a box adapted to be mounted in a wall or panel and having electrical terminals permanently secured therein to which electrical power leads may be permanently attached, a removable electrical conducting unit receivable in the box and having elements for contacting with said terminals when said unit is inserted in the box, said terminals and said elements adapted to be slidingly engaged, and an escutcheon plate for covering the box and for retaining said unit in place therein, said unit being unsecured to the box except by engagement of the elements and terminals whereby the unit is readily removable and replaceable upon removal of the escutcheon plate.
3. In electrical apparatus, the combination of a box adapted to be mounted in a wall or panel and having electrical terminals secured therein to which electrical power leads may be permanently attached, a removable electrical conducting unit receivable in the box and having elements for contacting with said terminals when said unit is inserted in the box, and an escutcheon plate for covering the box and for retaining said unit in place therein, said unit being unsecured to the box whereby the unit is readily removable and replaceable upon removal of the escutcheon plate.
EMRYS M. WILLIAMS.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US503789A US1938309A (en) | 1930-12-20 | 1930-12-20 | Electrical outlet or switch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US503789A US1938309A (en) | 1930-12-20 | 1930-12-20 | Electrical outlet or switch |
Publications (1)
Publication Number | Publication Date |
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US1938309A true US1938309A (en) | 1933-12-05 |
Family
ID=24003511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US503789A Expired - Lifetime US1938309A (en) | 1930-12-20 | 1930-12-20 | Electrical outlet or switch |
Country Status (1)
Country | Link |
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US (1) | US1938309A (en) |
Cited By (79)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2428110A (en) * | 1944-05-08 | 1947-09-30 | Dorfman Oscar | Interchangeable insertion type wiring device |
US2433917A (en) * | 1944-07-15 | 1948-01-06 | Mccartney William James | Outlet box and plug-in connections therefor |
US2441485A (en) * | 1944-06-08 | 1948-05-11 | Ite Circuit Breaker Ltd | Switchboard |
US2449221A (en) * | 1942-10-24 | 1948-09-14 | Trumbull Electric Mfg Co | Electromagnetically controlled switch |
US2492856A (en) * | 1945-04-20 | 1949-12-27 | Arrow Hart & Hegeman Electric | Plug in type electric switch |
US2501569A (en) * | 1948-04-23 | 1950-03-21 | Korn Isidore | Electric connection device |
US2531350A (en) * | 1947-06-27 | 1950-11-21 | William Diefenthaler | Receptacle for a switch |
US2530548A (en) * | 1946-05-31 | 1950-11-21 | Zinsco Electrical Products | Electrical panel board switch |
US2578494A (en) * | 1949-05-27 | 1951-12-11 | Wiggins Harry Shaw | Electric switch |
US2583105A (en) * | 1947-09-20 | 1952-01-22 | Anchor Mfg Co | Electrical distribution box |
US2599695A (en) * | 1949-12-09 | 1952-06-10 | Fed Electric Prod Co | Mechanism for adjusting electric devices in enclosures therefor |
US2601147A (en) * | 1944-10-16 | 1952-06-17 | Square D Co | Circuit breaker |
US2633520A (en) * | 1949-05-28 | 1953-03-31 | Gen Tire & Rubber Co | Switch mount |
US2647225A (en) * | 1949-11-15 | 1953-07-28 | Fed Electric Prod Co | Terminal panel assembly |
US2660645A (en) * | 1950-09-20 | 1953-11-24 | Perfex Corp | Flame detector |
US2766405A (en) * | 1952-06-02 | 1956-10-09 | Ite Circuit Breaker Ltd | Panel board bus arrangement and circuit breaker mounting base |
US2767353A (en) * | 1952-09-26 | 1956-10-16 | Square D Co | Panelboard |
US2789188A (en) * | 1956-08-29 | 1957-04-16 | Standard Electric Time Co | Alarm station |
US2790113A (en) * | 1952-05-31 | 1957-04-23 | Westinghouse Electric Corp | Panelboards |
US2810048A (en) * | 1952-08-12 | 1957-10-15 | Fed Electric Prod Co | Duplex circuit breaker |
US2828394A (en) * | 1956-08-24 | 1958-03-25 | Peter P Mayzik | Adaptor unit |
US2883586A (en) * | 1953-05-08 | 1959-04-21 | Fed Electric Prod Co | Circuit breakers having plug-in type terminals |
US2897327A (en) * | 1957-11-12 | 1959-07-28 | Allen Bradley Co | Control-station |
US2908743A (en) * | 1956-11-30 | 1959-10-13 | Robert T Premoshis | Electrical outlet |
US2916591A (en) * | 1956-11-19 | 1959-12-08 | B & C Metal Stamping Company | Electrical switch and pedestal housing structure |
US2929966A (en) * | 1954-12-13 | 1960-03-22 | Gen Electric | Electrical apparatus assembly with sequence bussing |
US2986676A (en) * | 1956-07-30 | 1961-05-30 | Ite Circuit Breaker Ltd | Panel board arrangement for embedded load terminals |
US2987211A (en) * | 1958-12-12 | 1961-06-06 | All Steel Equipment Inc | Electrical box cover |
US3017601A (en) * | 1958-10-31 | 1962-01-16 | Gen Electric | Quadruple convenience outlet |
US3038957A (en) * | 1960-02-15 | 1962-06-12 | Obal B Owen | Electrical wire connector |
US3176579A (en) * | 1959-12-01 | 1965-04-06 | Voigtlaender Ag | Housing for projector with mechanical image shifting device |
US3585456A (en) * | 1969-10-17 | 1971-06-15 | Lawrence Phillips Jr | Electric service center for mobile homes and the like |
US3879101A (en) * | 1973-12-04 | 1975-04-22 | George T Mckissic | Electric Plug-In Module |
US3975604A (en) * | 1974-12-09 | 1976-08-17 | Appleton Arthur I | Modular electrical switch with split housing |
US4103125A (en) * | 1977-04-15 | 1978-07-25 | Louis Marrero | Modular electrical switch/outlet assembly |
US4163882A (en) * | 1977-12-05 | 1979-08-07 | Baslow Floyd M | Adapter for standard electrical wall fixtures |
US4273957A (en) * | 1979-06-06 | 1981-06-16 | Kolling Jr William J | Telecommunications access apparatus |
EP0107153A1 (en) * | 1982-10-22 | 1984-05-02 | Quante Fernmeldetechnik GmbH | Connecting box for the connexion of a telephone apparatus and/or one or more additional sets |
US6674031B1 (en) * | 2001-08-02 | 2004-01-06 | Reliance Controls Corporation | Power inlet box with integral circuit breaker |
US20060175070A1 (en) * | 2002-05-07 | 2006-08-10 | Applied Technology And Solutions | Electrical wiring system |
US20080011501A1 (en) * | 2006-07-12 | 2008-01-17 | Doug Gates | Closed electrical enclosure |
US7357652B1 (en) | 2006-10-27 | 2008-04-15 | Leviton Manufacturing Company, Inc. | Modular wiring system with locking elements |
US20080087452A1 (en) * | 2006-10-11 | 2008-04-17 | Andrew Nicholson | Electrical receptacle and box apparatus |
US20080207046A1 (en) * | 2006-10-27 | 2008-08-28 | Leviton Manufacturing Company, Inc. | Modular wiring system with locking elements |
US20080219029A1 (en) * | 2007-03-07 | 2008-09-11 | Optimal Licensing Corporation | Plug and play utility control modules |
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US20090049466A1 (en) * | 2007-08-16 | 2009-02-19 | Optimal Innovations Inc. | Using Utility Outlets to Determine and Report Media-Based Activity |
US20090044964A1 (en) * | 2007-08-16 | 2009-02-19 | Optimal Innovations Inc. | Utility Outlets as a Security System |
US20090045968A1 (en) * | 2007-08-16 | 2009-02-19 | Optimal Innovations Inc. | Utility Outlets Capable of Presenting Images |
US20090045803A1 (en) * | 2007-08-15 | 2009-02-19 | Optimal Innovations Inc. | System and Method for Premises Power Parameter and Power-Factor Reporting and Management |
US20090058185A1 (en) * | 2007-08-31 | 2009-03-05 | Optimal Innovations Inc. | Intelligent Infrastructure Power Supply Control System |
US20090101386A1 (en) * | 2007-10-19 | 2009-04-23 | Optimal Innovations Inc. | Size unconstrained faceplate display for use with infrastructure device |
US20090102679A1 (en) * | 2007-10-19 | 2009-04-23 | Optimal Innovations Inc. | Infrastructure device with removable face plate for remote operation |
US20090135006A1 (en) * | 2007-11-26 | 2009-05-28 | Optimal Innovations Inc. | Infrastructure device with modular remote sensors |
US20090137163A1 (en) * | 2007-11-26 | 2009-05-28 | Optimal Innovations Inc. | Infrastructure device with modular replaceable sensors |
US20090180261A1 (en) * | 2008-01-15 | 2009-07-16 | Leviton Manufacturing Company, Inc. | Fault circuit interrupter disposed inside a housing adapted to receive modular components |
US20090274064A1 (en) * | 2008-05-01 | 2009-11-05 | Optimal Innovations Inc. | Light switch as a wireless hub |
US20090274087A1 (en) * | 2008-05-01 | 2009-11-05 | Optimal Innovations Inc. | Utility outlets as remote control repeaters |
USD616831S1 (en) | 2007-09-01 | 2010-06-01 | Leviton Manufacturing Company, Inc. | Modular connector |
USD618627S1 (en) | 2007-09-24 | 2010-06-29 | Leviton Manufacturing Company, Inc. | Quick connect receptacle |
US7762838B2 (en) | 2002-05-23 | 2010-07-27 | Protectconnect | Safety module electrical distribution system |
US20100186982A1 (en) * | 2006-07-12 | 2010-07-29 | Advanced Currents Corp. | Electrical enclosure |
US20100227484A1 (en) * | 2006-10-27 | 2010-09-09 | Leviton Manufacturing Co., Inc. | Modular wiring system with locking elements |
US8105107B2 (en) | 2000-01-05 | 2012-01-31 | Protectconnect, Inc. | Safety electrical outlet and switch system |
US8371863B1 (en) | 2011-07-29 | 2013-02-12 | Leviton Manufacturing Company, Inc. | Modular wiring system |
USRE44546E1 (en) | 2004-03-13 | 2013-10-22 | Protectconnect, Inc. | Universal electrical wiring component |
US9035181B2 (en) | 2011-08-01 | 2015-05-19 | Snaprays Llc | Modified electrical devices |
US9437978B2 (en) | 2014-06-10 | 2016-09-06 | Wesley G. Green | Modular electrical connector |
US20170310049A1 (en) * | 2016-04-21 | 2017-10-26 | Welda William Derousse | Electrical box, electrical switch & electrical plug-in mechanism |
US10070539B2 (en) | 2016-04-27 | 2018-09-04 | Advanced Currents Corporation | Electrical junction with wireless controller |
US10373773B2 (en) | 2017-02-17 | 2019-08-06 | Snaprays Llc | Active cover plates |
US10381788B2 (en) | 2011-08-01 | 2019-08-13 | Snaprays Llc | Active cover plates |
US10381789B2 (en) | 2011-08-01 | 2019-08-13 | Snaprays Llc | Active cover plates |
US10404045B2 (en) | 2011-08-01 | 2019-09-03 | Snaprays, Llc | Active cover plates |
US10468834B2 (en) | 2010-09-07 | 2019-11-05 | Snaprays Llc | Illuminable wall plates |
USD882377S1 (en) | 2011-09-06 | 2020-04-28 | Snaprays Llc | Lighted wall plate |
US11158982B2 (en) | 2011-08-01 | 2021-10-26 | Snaprays Llc | Active cover plates |
US11664631B2 (en) | 2011-08-01 | 2023-05-30 | Snaprays, Llc | Environment sensing active units |
US11888301B2 (en) | 2011-08-01 | 2024-01-30 | Snaprays, Llc | Active cover plates |
-
1930
- 1930-12-20 US US503789A patent/US1938309A/en not_active Expired - Lifetime
Cited By (104)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2449221A (en) * | 1942-10-24 | 1948-09-14 | Trumbull Electric Mfg Co | Electromagnetically controlled switch |
US2428110A (en) * | 1944-05-08 | 1947-09-30 | Dorfman Oscar | Interchangeable insertion type wiring device |
US2441485A (en) * | 1944-06-08 | 1948-05-11 | Ite Circuit Breaker Ltd | Switchboard |
US2433917A (en) * | 1944-07-15 | 1948-01-06 | Mccartney William James | Outlet box and plug-in connections therefor |
US2601147A (en) * | 1944-10-16 | 1952-06-17 | Square D Co | Circuit breaker |
US2492856A (en) * | 1945-04-20 | 1949-12-27 | Arrow Hart & Hegeman Electric | Plug in type electric switch |
US2530548A (en) * | 1946-05-31 | 1950-11-21 | Zinsco Electrical Products | Electrical panel board switch |
US2531350A (en) * | 1947-06-27 | 1950-11-21 | William Diefenthaler | Receptacle for a switch |
US2583105A (en) * | 1947-09-20 | 1952-01-22 | Anchor Mfg Co | Electrical distribution box |
US2501569A (en) * | 1948-04-23 | 1950-03-21 | Korn Isidore | Electric connection device |
US2578494A (en) * | 1949-05-27 | 1951-12-11 | Wiggins Harry Shaw | Electric switch |
US2633520A (en) * | 1949-05-28 | 1953-03-31 | Gen Tire & Rubber Co | Switch mount |
US2647225A (en) * | 1949-11-15 | 1953-07-28 | Fed Electric Prod Co | Terminal panel assembly |
US2599695A (en) * | 1949-12-09 | 1952-06-10 | Fed Electric Prod Co | Mechanism for adjusting electric devices in enclosures therefor |
US2660645A (en) * | 1950-09-20 | 1953-11-24 | Perfex Corp | Flame detector |
US2790113A (en) * | 1952-05-31 | 1957-04-23 | Westinghouse Electric Corp | Panelboards |
US2766405A (en) * | 1952-06-02 | 1956-10-09 | Ite Circuit Breaker Ltd | Panel board bus arrangement and circuit breaker mounting base |
US2810048A (en) * | 1952-08-12 | 1957-10-15 | Fed Electric Prod Co | Duplex circuit breaker |
US2767353A (en) * | 1952-09-26 | 1956-10-16 | Square D Co | Panelboard |
US2883586A (en) * | 1953-05-08 | 1959-04-21 | Fed Electric Prod Co | Circuit breakers having plug-in type terminals |
US2929966A (en) * | 1954-12-13 | 1960-03-22 | Gen Electric | Electrical apparatus assembly with sequence bussing |
US2986676A (en) * | 1956-07-30 | 1961-05-30 | Ite Circuit Breaker Ltd | Panel board arrangement for embedded load terminals |
US2828394A (en) * | 1956-08-24 | 1958-03-25 | Peter P Mayzik | Adaptor unit |
US2789188A (en) * | 1956-08-29 | 1957-04-16 | Standard Electric Time Co | Alarm station |
US2916591A (en) * | 1956-11-19 | 1959-12-08 | B & C Metal Stamping Company | Electrical switch and pedestal housing structure |
US2908743A (en) * | 1956-11-30 | 1959-10-13 | Robert T Premoshis | Electrical outlet |
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