Electrical timer having multiple preset timing periods

Details Electrical timer having multiple preset timing periods Electrical timer having multiple preset timing periods

2011-06-07

2011-06-07

Deberadinis, Robert L. (Department: 2836)

Electrical transmission or interconnection systems

Switching systems

Switch actuation

Reexamination Certificate

active

07956496

ABSTRACT:
An electrical timer for plugging into an electrical wall outlet to control electrical current supplied to electrical appliances. The timer includes a housing having front and rear halves that are retained together. A display assembly includes a pushbutton switch and one or more light emitting diodes (LEDs) that indicate which time period is selected mounted to a circuit board. A user-operable actuator button is connected to the switch. A clear display panel is exteriorly affixed to the front half. The actuator button extends through respective button holes of the front half and the display panel. Each LED extends through a corresponding LED hole of the front half so as to be visible to users through the display panel. A thin mask is disposed on the display panel that defines an opaque area with a logo and a corresponding transparent area for each LED. An electrical plug is connected along the electrical circuit and mounted through the rear half of the housing for plugging into the wall outlet. An electrical socket is connected along the electrical circuit and mounted through the front half of the housing for plugging-in one electrical appliance. A controller is disposed in the housing that makes an electrical circuit between the electrical system and the electrical socket for at least one preset time period upon actuation of the switch.

REFERENCES:
patent: 4349748 (1982-09-01), Goldstein et al.
patent: 4712019 (1987-12-01), Nilssen
patent: 5283475 (1994-02-01), Berger
patent: 5309032 (1994-05-01), Nilssen
patent: 5397930 (1995-03-01), Nilssen
patent: 5430598 (1995-07-01), Rodolfo
patent: 5715214 (1998-02-01), Svarnias
patent: 6798631 (2004-09-01), Farsetta
patent: 6903284 (2005-06-01), Dunfield et al.

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