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IN RE QUARTZ

Patent Appeals No. 3797.

90 F.2d 255 (1937)

In re QUARTZ.

Court of Customs and Patent Appeals.

May 29, 1937.

Attorney(s) appearing for the Case

George L. DeMott, of Washington, D. C. (T. T. Greenwood, of Boston, Mass., of counsel), for appellant.

R. F. Whitehead, of Washington, D. C. (Howard S. Miller, of Washington, D. C., of counsel), for Commissioner of Patents.

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

GRAHAM, Presiding Judge.

The appellant filed an application in the United States Patent Office for a patent on an improvement in carbon sheets and carbon binders. One claim, the only remaining one in the case, was rejected by both tribunals in the Patent Office, and is brought here on appeal. This claim is as follows:

"22. A carbon sheet comprising a paper sheet having a carbon deposit on its working face and a projecting uncoated margin on one long edge of...

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