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SCANDIAMANT AKTIEBOLAG v. COMMISSIONER OF PATENTS

No. 73-1396.

509 F.2d 463 (1974)

SCANDIAMANT AKTIEBOLAG, Appellant, v. COMMISSIONER OF PATENTS.

United States Court of Appeals, District of Columbia Circuit.

Decided December 12, 1974.

Attorney(s) appearing for the Case

George W. Whitney, New York City, with whom Henry Taliaferro, Jr., Washington, D. C., was on the brief for appellant.

Fred W. Sherling, Associate Sol. U. S. Patent Office, with whom Joseph F. Nakamura, Acting Sol., U. S. Patent Office, was on the brief, for appellee.

Before ROBINSON and ROBB, Circuit Judges, and MATTHEWS, Senior District Judge for the United States District Court for the District of Columbia.

MATTHEWS, Senior District Judge:

Inventors Olle Lindstrom and Erik Lundblad filed an application for a patent on a method for preparing diamonds for use with grinding wheels. The claimed invention is the alleged discovery that the use of diamonds coated with metal in a prescribed thickness range in a resin bonded grinding wheel will improve the grinding results, i. e., the measure of grinding efficiency of the wheel, by as much as 200% to 300%. The thickness range...

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