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IN RE LIDDELL

Patent Appeal No. 3408.

69 F.2d 370 (1934)

In re LIDDELL.

Court of Customs and Patent Appeals.

March 19, 1934.

Attorney(s) appearing for the Case

Kenyon & Kenyon, of New York City (Edgar F. Baumgartner, of New York City, of counsel), for appellant.

T. A. Hostetler, 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 certain alleged improvements in filters, particularly a filtering unit for the removal or recovering of solid substances suspended in fluids. Several claims were allowed, but claims 47, 48, 49, 50, 51, 52, and 53 were rejected by the Examiner, which rejection was affirmed by the Board of Appeals. The claims are very lengthy. The Board of Appeals has cited...

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