In re Jones

Jackson, Judge,

delivered tlie opinion of tlie court:

This is an appeal from a decision of the Board of Appeals of the United States Patent Office affirming that of the Primary Examiner rejecting as unpatentable, in view of the prior art, all of the claims, 27 to 33, inclusive, of an application for a patent for certain alleged new and useful improvements in a method for reclaiming cement-cut drilling mud.

Claims 27 to 31, inclusive, are method claims and claims 32 and 33 are product claims.

Claims 27, 28, and 32 are illustrative and read as follows:

27. A method for treating cement-cut or…