US PATENT SUBCLASS 110 / 193
WITH SAFETY MEANS
Current as of: June, 1999
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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.