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NATIONAL LOCK WASHER CO. v. GEORGE K. GARRETT CO.

No. 6672.

98 F.2d 643 (1938)

NATIONAL LOCK WASHER CO. v. GEORGE K. GARRETT CO., Inc.

Circuit Court of Appeals, Third Circuit.

July 22, 1938.

Attorney(s) appearing for the Case

William G. Mahaffy and Herbert L. Cohen, both of Wilmington, Del. (Thomas G. Haight, of Jersey City, N. J., and George F. Scull and H. H. Hamilton, both of New York City, of counsel), for appellant.

Paul & Paul, of Philadelphia, Pa. (Henry N. Paul, Henry N. Paul, Jr., and John H. Austin, all of Philadelphia, Pa., of counsel), for appellee.

Before BUFFINGTON and DAVIS, Circuit Judges, and DICKINSON, District Judge.

BUFFINGTON, Circuit Judge.

This case concerns split ring washers used to prevent the loosening of nuts caused by jarring or shaking of the structures on which they are used. A familiar and long used type of split ring was the nut lock to hold in place the two angle bars located on the sides of abutting rails.

The British patent No. 1230, to Grover, for a split ring, showed a device for preventing the nut from loosening by turning up the ends of the split ring...

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