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EASTMAN OIL WELL SURVEY CO. v. SPERRY-SUN WELL SURVEYING CO.

No. 10197.

131 F.2d 884 (1942)

EASTMAN OIL WELL SURVEY CO. v. SPERRY-SUN WELL SURVEYING CO.

Circuit Court of Appeals, Fifth Circuit.

Rehearing Denied January 16, 1943.

Attorney(s) appearing for the Case

Jack A. Schley, of Dallas, Tex., for appellant.

Ira J. Allen, of Houston, Tex., and George A. Smith, of Philadelphia, Pa., for appellee.

Before HUTCHESON, HOLMES, and McCORD, Circuit Judges.

HUTCHESON, Circuit Judge.

The suit was for infringement of a method claim of one1 and four method and two apparatus claims of another2 patent for orienting and setting whipstocks designed to guide a drilling tool in a definite predetermined direction, e. g., in straightening a crooked bore-hole or deliberately deflecting it in a given direction.

"A whipstock", as appellant's brief described it, "is...

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