Hoff v. Iron Clad Manufacturing Co.

Citations

• 139 U.S. 326
• 11 S. Ct. 580
• 35 L. Ed. 179
• 1891 U.S. LEXIS 2385

Syllabus

<p>111 view of the previous state of the art, the first claim in letters patent No. 279,871, issued June 19, 1883, to Charles Hoff of Cincinnati, for an improvement in coal-hods, must be limited to the entire bottom of the crimped material and the resultant increase in its thickness ; and, being so limited, it is not infringed by a coal-hod made after letters patent No. 304,033, granted August 2G, 1884, to Henry S. Reynolds.</p> <p>Whether both patents were not void for want of novelty, quaere.</p>