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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7439453 | Hinge system for low-profile cabinet assemblies Hinge mechanisms that facilitates access to internal components associated with a cabinet, e.g., a fiber optic cabinet, are provided. The hinge mechanisms are adapted for use with a telecommunication cabinet that is of low profile design, e.g., 1U or 2U height. The ... | 10/21/2008 |
| 7154058 | Door switch assembly for washing machine and dryer A door switch assembly for a washing machine and a dryer having improved reliability is disclosed. The door switch assembly includes a plunger movably provided in a cabinet of the dryer and pushed by a door to operate an electrical switch, an elastic member provided... | 12/26/2006 |
| 7141750 | Switch mechanism provided with switch plate and printer apparatus provided with switch mechanism A switch mechanism includes a switch body including a sensing button placed to protrude from a surface, a switch plate placed to face the sensing button and connected to the switch body, and a coil spring for biasing the switch body. The switch mechanism is formed s... | 11/28/2006 |
| 7071428 | Self-adjusting interlock actuator for a hinged cover A self-adjusting interlock actuator assembly for a hinged cover is composed of a cover hinge attaching the cover to the apparatus and a pivoting switch actuator. A spring means connects the cover hinge to the pivoting switch actuator. The spring means is arranged su... | 07/04/2006 |
| 6903283 | Plunger retention apparatus and method for switch enclosures A switch enclosure apparatus and method are disclosed. An enclosure can be provided, wherein the enclosure comprises a plurality of walls from which a cavity can be formed. A plunger or other actuating mechanism can also be provided comprising one or more key portio... | 06/07/2005 |
| 6784387 | Interlock device An interlock device for a switch housed within a casing of a double door structure includes a lever, pivotably supported at an intermediate portion, that pivots a first end portion of said lever downward, when the first door closes a portion of said opening, a link ... | 08/31/2004 |
| 6740826 | Safety contact strip The invention relates to a safety contact strip (1) that is regularly used as a closing edge safely device in squeeze and shear areas, for example, gates, machines or the like, having at least two conductive switch layers (2,3) in a non-conductive clos... | 05/25/2004 |
| 6667449 | Switch hinge A switch hinge is described having a first hinge wing, which accommodates a switch operable by a lever, having a second hinge wing and having a shaft which, in the operative position, is non-rotatably connected with the second hinge wing. The shaft, on it... | 12/23/2003 |
| 6601882 | Door latch mechanism and associated components for a self-cleaning oven A door latching or locking mechanism or module for a self-cleaning oven includes latching linkage of the door latch module that enables use of lighter duty, less expensive motor. The mechanical advantage and vector optimization of the latching linkage avo... | 08/05/2003 |
| 6486423 | Sliding contact mechanism A sliding contact mechanism includes a sliding door contact, a spring having one end connected to the sliding door contact and another end connected to the sliding door of a mini-van, and a pillar contact attached to the stationary pillar of the mini-van.... | 11/26/2002 |
| 6207911 | Combined switch and doorstop assembly for a vehicle A combined doorstop and switch assembly for a vehicle includes two primary components, which are a bumper body for attaching to a vehicle body panel, and a switch which is attachable to the bumper body. The bumper body is formed of a flexibly resilient ma... | 03/27/2001 |
| 6150622 | Electrical contact element for refrigerators and similar A door switch assembly for a refrigerator. The door switch assembly includes a housing mounted to one of the walls of the refrigerator and further has an electrical circuit for switching on or off electrical equipment mounted within the refrigerator. The ... | 11/21/2000 |
| 6081186 | Low-power door alarm and lock system An electronic system of locking and alarming one or more doors such that if an attempt is made to open the door, the alarm sounds. The device is preferably installed on vehicles having multiple built-in equipment compartments. The device is powered by the... | 06/27/2000 |
| 5957269 | Watertight structure of mounting portion A mounting bolt 30 has a disclike flange portion 30b formed on an end of a tightening portion 30a. A switch bracket 28 is fixed to a screw hole 12 by tightening the bolt 30 with the bolt 30 inserted into a mounting hole 29 formed so as to have the same di... | 09/28/1999 |
| 5717179 | Closet light switch A combination switch and socket is provided that can be easily installed without rewiring an existing fixture to give the user a closet light that automatically turns on when the closet door is opened and turns off when the door is closed. The socket can ... | 02/10/1998 |
| 5685630 | Battery-operated automatically switched lighting device A battery-operated automatically switched lighting device is provided for illumination of the interior of enclosures provided with doors, such as for closets, cupboards, cabinets, and the like. Identical light transmitting housing parts are assembled toge... | 11/11/1997 |
| 5672857 | Switch actuating mechanism for two sequentially activated switches A switch actuation mechanism is provided with a support structure that is shaped to hold two switches. Each switch is associated with a pivotable member that is rotatably attached to the support structure. The pivotable member can be moved into either a r... | 09/30/1997 |
| 5516994 | Alarm continuity switch To be utilized with a conventional structural alarm system having a plurality of alarm wires which carry a constant current flow, an alarm continuity switch which includes at least two identical contact assemblies, each of which have a contact housing. In... | 05/14/1996 |
| 5479152 | Portable refrigeration door open alarm apparatus A completely self-contained and portable alarm system that senses a condition in which a refrigerator or freezer door is not fully closed using a plurality of spring-tempered metallic sensor switches and which provides an audible tone from a piezoelectric... | 12/26/1995 |
| 5396396 | Electronic apparatus and method for grounding electronic apparatus An electronic apparatus which is placed in an operation wait state by fully closing a cover having an electrical component, and a method for grounding the electronic apparatus is disclosed. The apparatus includes a cover side contact element electrically ... | 03/07/1995 |
| 5264670 | Switch and light assembly A combined switch and light assembly having a socket body. The socket body has a mounting plate and a cylindrical body member. The assembly further includes a plunger consisting of a cylindrical tube. The plunger has a smaller diameter than the diameter o... | 11/23/1993 |
| 5254972 | Window sealing kit A window sealing kit includes plural pairs of upper and lower sealing members mounted between respective upper and lower windows relative to the window frames to effect sealing and maintain positioning of the windows relative to the frames.... | 10/19/1993 |
| 5153395 | Lid switch for clothes washing machine A switch operated to an open circuit condition by a closed lid of an automatic clothes washing machine. The switch housing is comprised of two parts which mate with each other and with the specially configured switch operating shaft for inhibiting entry o... | 10/06/1992 |
| 4992635 | Self locating push-button switch box A self-locating push button switch box for rapid mounting comprising, a generally parallel piped housing, formed from a planar blank, and comprising an elongated top wall, elongated bottom wall, elongated side wall, rear end wall, and front end wall, a sp... | 02/12/1991 |
| 4982582 | Temperature control device for a refrigerating container There is provided a temperature control device for a refrigerated container having a plurality of temperature level determining switches for selecting a temperature level. Cut-out portions are provided on the refrigerated container for selectively control... | 01/08/1991 |
| 4862141 | Integrated smoke and intrusion alarm system An integrated smoke and intrusion alarm system is provided for windows, doors or other openings in exterior building walls and includes a solar battery charging device and a magnetic test switch. The integrated alarm system is concealed from view and incl... | 08/29/1989 |
| 4839632 | Intrusion alarm screen assembly An intrusion alarm screen assembly having mounting brackets at the corners and a pair of substantially rigid opposite end piece assemblies on which the screen can be rolled up. At each corner circuit closing means acts between the bracket there and the ad... | 06/13/1989 |
| 4788517 | Sealed proximity switch assembly A sealed proximity switch assembly comprising a housing of non-magnetic material, contacts mounted in the housing, a movable contact member of electrically conductive material mounted within the housing for movement toward and away from engagement with th... | 11/29/1988 |
| 4707591 | Electrically heatable automobile window power-supply connector assembly An electrically heatable fixed rear window of a motor vehicle has resistance heating strips extending over part of the window area and a bus bar which electrically connects the resistance heating strips to each other and provides a contact on the window w... | 11/17/1987 |
| 4677424 | Window sill burglar alarm A concealable burglar alarm system for automatically generating a warning in response to either unauthorizd opening of a window or breakage of the associated window pane. The system includes a translucent, generally rectangular sending unit which is adapt... | 06/30/1987 |
| 4604609 | Security system A security arrangement for a closed door having an elongated member connected between the door and the wall and a tautly mounted string joining the door knob and an electrical switch on the wall, the string passing over the elongated member. When an attem... | 08/05/1986 |
| 4554618 | Switch, lamp, and connector assembly A combination switch, lamp, and connector assembly for illuminating a glove box compartment includes an insulator having an integral socket portion and an integral connector body portion, a pair of unitary contacts on the insulator extending between the s... | 11/19/1985 |
| 4553134 | Electrical alarm system for installation in a window casing An electrical system is provided for attachment to basement windows or the like for the purpose of sounding an alarm automatically if the window is opened and the device is moved or tampered with. The system comprises a spring-loaded bar or a tube within ... | 11/12/1985 |
| 4533904 | Combination smoke and burglar alarm A portable, self-contained combination smoke and burglar alarm includes a smoke sensor and a tester switch both capable of energizing of an audible warning device, all contained in a housing adapted for mounting on an interior room surface such as on a wa... | 08/06/1985 |
| 4531029 | Cricket switch An automatically resetting alarm switch includes a casing which may be mounted into a stationary frame of a window or other closure. The casing has a side opening through which a contact head protrudes. The contact head is connected to an internally locat... | 07/23/1985 |
| 4492833 | Door jamb switch A door jamb switch has a first member adapted to be fixedly secured onto a door jamb of a motor vehicle, a first switch contact mounted on a plunger supported in the fixed first member for reciprocation along an axis between a first, door opened, position... | 01/08/1985 |
| 4455462 | Arc proof dual interlock safety switch A dual interlock switch assembly is provided which has particular although not exclusive application to X-ray units to prevent the unit from being energized whenever the access door is opened. The assembly includes a plug, formed of insulating material su... | 06/19/1984 |
| 4392707 | Take-off connector for security circuit A take-off connector for connecting part of a security system electrical circuit, such as a metal foil strip conductor mounted on a movable portion of a window to detect breakage of the window glass, to a fixedly mounted portion of the circuit. The separa... | 07/12/1983 |
| 4231030 | Safety device for a crib A safety device for a crib which provides an indicating light or alarm to alert a person to the fact that the crib gate is in a down position, to prevent the leaving of a child in a crib with the gate down and to insure that the crib gate is up and locked... | 10/28/1980 |
| 4181833 | Closure electrical contact assembly The rear pillars of an automobile body carry power and ground contact assemblies which engage contact plates of the electric rear window defogger when the lift gate is closed. The power and ground contact assemblies each consist of a plastic housing and a... | 01/01/1980 |
