HATFIELD, Associate Judge.
This is an appeal from a decision of the Board of Appeals of the United States Patent Office affirming the decision of the Primary Examiner rejecting all of the claims Nos. 13 to 16, inclusive, in appellant's application for a patent for an alleged invention relating to an apparatus for conditioning air.
Appellant's apparatus is described by the Primary Examiner as follows:
"A plurality of spray nozzles are provided to spray...
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