.~ With heater-unit housing, casing, or support means (e.g., frame and single sheet) {13}
535
.~.~ Specially formed or adapted to fit material to be heated (e.g., a pipe)
DEFINITION
Classification: 219/535
(under subclass 520) Subject matter wherein the housing, casing or support structure claimed includes significant details of means whereby the device may be applied to or shaped to fit the contours of an object to be heated.
SEE OR SEARCH THIS CLASS, SUBCLASS:
201+, for electric heaters combined with other art devices.
301, for liquid heater with heater unit attached to or surrounding the liquid conveying means.
456, for planar surface heaters wherein the material support is adjustable to the shape of the material heated.
528+, for heating unit of flexible or resilient construction.
545, for heating element interwoven with fabric. 549, for heating element on flexible support.
SEE OR SEARCH CLASS
104, Railways,
279, for rail heaters.
105, Railway Rolling Stock,
451, for seat heaters.
123, Internal-Combustion Engines,
543+, for charge forming devices (carburetors) with heating means and subclass 142.5 for heating devices adapted to be
applied to a motor.
138, Pipes and Tubular Conduits,
33, for electric pipe heaters.
165, Heat Exchange, 48.1+, for heating or cooling apparatus adapted for special structural installation.
191, Electricity: Transmission to Vehicles,
27, for heated conductors.
312, Supports: Cabinet Structure,
236, for cabinet structure combined with heating means.
313, Electric Lamp and Discharge Devices,
11+, for discharge devices combined with temperature modifying means.
429, Chemistry: Electrical Current Producing Apparatus, Product, and Process, for battery having heat exchange feature.
607, Surgery: Light, Thermal, and Electrical Application, appropriate subclasses under
1, for heat applicators adapted to fit various parts of the human body.
