Geometrical instruments
Patent
1985-12-13
1987-04-21
McQuade, John
Geometrical instruments
339147R, 339154A, 339159R, H01R 1368, H01R 1370, H01R 13717
Patent
active
046591613
ABSTRACT:
An adapter body for connection between an appliance, such as a personal computer, having a recessed male plug, comprising a body having a recessed male electrical connection and a boss portion forming a female electrical connection and a plurality of surface female plugs, the boss portion female plug being particularly configured for mating with the recessed male electrical plug of the appliance and the recessed male plug being configured to receive an extension cord plug, the surface female plugs being configured to receive the male plug portion of extension cords extending to other appliances, and voltage spike protectors within the adapter body with indicator lights to display the operability of the voltage spike protectors.
REFERENCES:
patent: D64594 (1924-05-01), Hubbell
patent: 1716834 (1929-06-01), Nichols
patent: 2503677 (1950-04-01), McHenry et al.
patent: 3229240 (1966-01-01), Harrison, Sr. et al.
patent: 3646499 (1972-02-01), De Lano et al.
patent: 3924914 (1975-12-01), Banner
patent: 4239319 (1980-12-01), Gladd et al.
patent: 4403111 (1983-09-01), Kelly
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