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APPLICATION OF ROSAEN

Patent Appeal No. 8921.

477 F.2d 964 (1973)

Application of Borje Oscar ROSAEN and Robert L. Firth.

United States Court of Customs and Patent Appeals.

May 10, 1973.

Attorney(s) appearing for the Case

Robert C. Hauke, Hauke, Gifford, Patalidis & Dumont, Lathrup Village, Mich., attorneys of record, for appellants; Frank P. Cyr, Washington, D.C., of counsel.

S. Wm. Cochran, Washington, D.C., for the Commissioner of Patents; Fred W. Sherling, Washington, D. C., of counsel.

Before MARKEY, Chief Judge, RICH, BALDWIN, and LANE, Judges, and ALMOND, Senior Judge.

LANE, Judge.

This appeal is from the decision of the Patent Office Board of Appeals affirming the examiner's rejection of claims 16-19 and 22-23 of appellants' application,1 entitled "Fluid Cylinder," as unpatentable under 35 U.S.C. § 103 in view of certain prior patents. We affirm.

The claimed subject matter relates to a multi-chambered fluid cylinder and piston device having four actuating chambers, two of which are pressurized...

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