Convectional radial electric warmer

Details Convectional radial electric warmer Convectional radial electric warmer

2005-11-15

2005-11-15

Evans, Robin O. (Department: 3742)

Electric resistance heating devices

Heating devices

Convection space heater

C392S374000, C392S375000, C392S376000

Reexamination Certificate

active

06965731

ABSTRACT:
A conventional radial electric warmer includes an upper and a lower support base, plural heaters, a protective net, and an upper, a front and a rear cover. The upper and the lower support base respectively have a fixing frame for the heaters, and plural holes for hot air to flow out. The heaters respectively consist of plural heating pieces secured at the outside of the upper and the lower support base with the fixing frames with bolts. The protective net is secured at the front side of the heaters, secured stably by the upper and the lower support base. The upper, the front and the rear cover are respectively secured at the upper side, the front side and the rear side of the upper and the lower support base. Further, two foot frames are fixed under the lower support base to keep the warmer standing on the ground. Then the warmer is very safe to use and highly effective.

REFERENCES:
patent: 2495788 (1950-01-01), Trist
patent: 2613308 (1952-10-01), La Mirand
patent: 2717950 (1955-09-01), Nathanson
patent: 2795682 (1957-06-01), Knoll
patent: 3211889 (1965-10-01), McEachron
patent: 3767895 (1973-10-01), Needham
patent: 1401941 (2003-03-01), None
patent: 605903 (1948-08-01), None
patent: 470155 (1990-12-01), None
patent: 551482 (1992-09-01), None

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