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BETTIS v. CALIFORNIA MFG. & ENGINEERING CO.

No. 6035.

41 F.2d 458 (1930)

BETTIS et al. v. CALIFORNIA MFG. & ENGINEERING CO. et al.

Circuit Court of Appeals, Ninth Circuit.

June 9, 1930.

Attorney(s) appearing for the Case

Raymond Ives Blakeslee, of Los Angeles, Cal. (Leonard S. Lyon, of Los Angeles, Cal., of counsel), for appellants.

Ford W. Harris, of Los Angeles, Cal., and Herbert A. Huebner, of New York City, for appellees.

Before RUDKIN, DIETRICH, and WILBUR, Circuit Judges.

WILBUR, Circuit Judge.

Appellant brought this action alleging an infringement of patent No. 1,573,031 for a "well casing protector." The patented device is for use in connection with a rotary drill for oil wells, and is designed to protect the metal well casing from contact with the metal drill pipe and couplings by the interposition of a rubber buffer. The vibration of the drill pipe during drilling causes such contacts and the consequent injury to the casing and...

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