Brown & Sharpe Mfg. Co. v. L. S. Starrett Co.

BROWN, District Judge.

The bill charges infringement of letters patent No. 717,296, December 30, 1902, to F. Spalding, assignor to Brown & Sharpe Manufacturing Company, for micrometer' calipers. The specification states:

"This invention has reference to an improved device for clamping the spindle of a micrometer caliper or gauge.

•‘Micrometer calipers or gauges consist usually of a frame having an anvil’ at one end and a spindle partly screw-threaded and in screw-thread engagement with the opposite end. These calipers or gauges are used in the arts for the accurate measurement of parts and are…