US PATENT SUBCLASS 110 / 193
WITH SAFETY MEANS


Current as of: June, 1999
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110 /   HD   FURNACES

193WITH SAFETY MEANS


DEFINITION

Classification: 110/193

WITH SAFETY MEANS:

(under the class definition) Apparatus provided with means to prevent direct injury to the apparatus or to a human being.

SEE OR SEARCH CLASS

122, Liquid Heaters and Vaporizers,

504+, for a boiler provided with safety devices.

266, Metallurgical Apparatus,

174, for an ore treating or metal extracting furnace provided with a safety device; and subclass 903 for a cross-reference art collection to safety devices.