National Meter Co. v. Yonkers Water Commissioners

Citations

• 149 U.S. 48
• 13 S. Ct. 774
• 37 L. Ed. 644
• 1893 U.S. LEXIS 2271

Syllabus

<p>Claims 3, í, 5 and 6 of reissued letters patent No. 10,806, granted February 8, 1887, to the National Meter Company, as assignee of Lewis Hallock 'Nash, for improvements in water-meters, on the surrender of original letters patent No. 211,582, granted to said Nash, January 21, 1879, are-not infringed by water-meters constructed according to letters patent reissued to the Hersey .Meter Company, No.-10,778, November 2, 1886, as. assignees of James A. Tilden, and to letteri patent No. 357,159, granted to James A. Tilden, February 1, 1887, and to letters patent granted to said company, as assignee of said Tilden, No. 385,970, July 10,1888.</p> <p>The Nash piston has a side-rocking movement across the centre of the- . cylinder, upon successive bearing points made by the contact of a projection on the piston with the recess in the cylinder, or conversely, and the piston rotates upon its own axis, so that each projection comes successively into each recess of the cylinder.' But in the defendant’s structure, there is no side-rocking, nor any rotary motion, and each projection in the piston always operates in-connection with one particular corresponding recess in the cylinder, and never leaves that recess.</p>