Electric cast-metal heater
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United States of America Patent
Stats
-
Dec 10, 1985
Grant Date -
N/A
app pub date -
Aug 3, 1984
filing date -
Aug 3, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electric heater comprising a metal casting having an electric heating element of sinuate shape cast therein. The casting has a plurality of ventilation openings therethrough located between the sinuations of the heating element for permitting air to flow directly to the surface on which the heater is mounted for ventilating and cooling it.
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