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APPLICATION OF HUITT

Patent Appeal No. 7730.

375 F.2d 484 (1967)

Application of Jimmie L. HUITT and Bruce B. McGlothlin.

United States Court of Customs and Patent Appeals.

Rehearing Denied June 22, 1967.

Attorney(s) appearing for the Case

Paul L. Tillson, Pittsburgh, Pa. (Meyer Neishloss, Pittsburgh, Pa., of counsel), for appellants.

Joseph Schimmel, Washington, D. C. (L. F. Parker, Washington, D. C., of counsel), for the Commissioner of Patents.

Before WORLEY, Chief Judge, RICH, SMITH and ALMOND, Judges, and WILLIAM H. KIRKPATRICK.

ALMOND, Judge.

This is an appeal from the decision of the Board of Appeals affirming the prior art rejections of claims 1, 3, 4, 6, 13, 15, 23, and 24 of appellants' application serial No. 106,473, filed May 1, 1961, for "Improvements in Method of Fracturing Underground Formations and Propping Agent Therefor." No claim has been allowed.

Appellants' invention relates to a method of hydraulically fracturing subsurface formations penetrated by well bores to increase...

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