Heating glass pane

Electric heating – Heating devices – With heater-unit housing – casing – or support means

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Details

219203, 219543, 219547, 338308, H05B 306

Patent

active

044195702

ABSTRACT:
A heated defrosting glass pane contains an alternation of conductive or nonelectricity-conductive regions. The conductive regions are transparent while in a heated state and are arranged in such a manner that during defrosting, they alone, by themselves, provide a sufficient integral visibility through the glass pane, while at the same time the nonconductive zones remain opaque. The ratio of the integral surface between the conductive and nonconductive surfaces is 1/8 to 1/2.

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patent: 3475588 (1969-10-01), McMaster
patent: 3813519 (1974-05-01), Jochim et al.
patent: 4017661 (1977-04-01), Gillery
patent: 4246467 (1981-01-01), Boaz

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