(under the class definition) Structure in which a transparent panel is installed in an automobile, truck, airplane, train, etc., and includes means to either dissipate condensation or melt frozen water.
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397+, for edging around a window pane.
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219, Electric Heating,
203, for an electrically heated window.
237, Heating Systems,
28, for such a system including a window heater. 296, Land Vehicles: Bodies and Tops,
84.1+, for a windshield on a vehicle body and top structure.