(under subclass 222) Subject matter wherein the structure includes electrically heated casings which encompass strands of hair usually wound on winding forms or mandrels.
SEE OR SEARCH THIS CLASS, SUBCLASS:
460, for heaters with means to adjust heating unit to shape of material heated.
524+, for significant housing or casings which comprise hinged or separable compartments with or without a plurality of heating units not restricted to any special use.
534, for rigid tubular housings or casings which include an electrical heating device.
535, for casings or housings specially formed or adapted to fit the material to be heated. SEE OR SEARCH CLASS
132, Toilet,
36+, for hair winding forms or mandrels with surrounding electrical heaters and heat protectors or tubes and wrappers.
