US PATENT SUBCLASS 65 / 157
MEANS PROVIDING SPECIAL ATMOSPHERE

Current as of: June, 1999
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65 /   HD   GLASS MANUFACTURING

157MEANS PROVIDING SPECIAL ATMOSPHERE

DEFINITION

Classification: 65/157

(under the class definition) Apparatus including means providing an atmosphere other than air in which a glass is worked or treated.

SEE OR SEARCH THIS CLASS, SUBCLASS:

30, for chemical treatment of glass involving a reaction.

32.1+, for a process utilizing a reducing or inert atmosphere.