IN RE ENGELHARDT

Patent Appeal No. 2753.

40 F.2d 760 (1930)

In re ENGELHARDT.

Court of Customs and Patent Appeals.

May 28, 1930.


Attorney(s) appearing for the Case

Drury W. Cooper, C. B. Townsend, and H. F. Wiegand, all of New York City, and R. L. Scheffler, of Washington, D. C., for appellant.

T. A. Hostetler, of Washington, D. C. (Howard S. Miller, of Washington, D. C., of counsel), for the Commissioner of Patents.

Before GRAHAM, Presiding Judge, and BLAND, HATFIELD, GARRETT, and LENROOT, Associate Judges.


LENROOT, Associate Judge.

This is an appeal from a decision of the Board of Appeals of the Patent Office rejecting claims 4 to 8, inclusive, of appellant's application, for want of patentability over the prior art.

Upon oral argument, appellant abandoned claims 4, 5, and 6, leaving only claims 7 and 8 in issue. These claims read as follows:

"7. In a process of separating gases, passing a gaseous mixture into activated carbon and removing the adsorbable...

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