US PATENT SUBCLASS 219 / 231
.~.~.~.~ Convertible

Current as of: June, 1999
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219 /   HD   ELECTRIC HEATING

200  DF  HEATING DEVICES {14}
221  DF  .~ Tool or instrument {2}
227  DF  .~.~ Hand-manipulative {4}
229  DF  .~.~.~ With heated tip or other heat concentration means (i.e., heat applied to localized area) {5}
231.~.~.~.~ Convertible

DEFINITION

Classification: 219/231

(under subclass 229) Subject matter wherein the tool or instrument is so constructed that the adjustment, addition, removal or reassembly of one or more parts to or of the tool or instrument, causes the iron to be capable of performing some other function.

SEE OR SEARCH THIS CLASS, SUBCLASS:

249, below, for hand manipulable tools or instruments with pressure application means which are convertible to other forms or devices capable of performing a different function.

340, for fluid heaters of the radiant type convertible to another heater or nonheating device.

361, for convection heaters convertible to another type of heater or nonheating device.

416, for deep well type heaters convertible to another type of heater. 452.13, for an exposed horizontal planar support surface for material to be heated (e.g., hot plate, etc.) having a frame, casing or housing for a heating unit (e.g., range top, stove top, countertop, etc.) that is convertible.

472, for devices for performing plural functions simultaneously (e.g., heating and illumination) or convertible to another type heater or noncoating device.