US PATENT SUBCLASS 65 / 27
.~ Repairing or cleaning of apparatus; or batch dust prevention or control


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

17.1  DF  PROCESSES {32}
27.~ Repairing or cleaning of apparatus; or batch dust prevention or control


DEFINITION

Classification: 65/27

(under subclass 17.1) Processes which include (1) the step of repairing of the apparatus; and/or (2) the cleaning of the apparatus; and/or (3) the step of preventing the formation of dust from a glass batch or controlling batch dust.

SEE OR SEARCH THIS CLASS, SUBCLASS:

168, for glass working or treating apparatus combined with positive apparatus cleaning means.

171+, for glass working and/or treating apparatus combined with repair, assembly or disassembly means.

SEE OR SEARCH CLASS

134, Cleaning and Liquid Contact With Solids, appropriate subclasses, for processes and apparatus for cleaning, not otherwise provided for. See the Search Notes under the class definition.