May v. Juneau County

Citations

• 137 U.S. 408
• 11 S. Ct. 102
• 34 L. Ed. 729
• 1890 U.S. LEXIS 2100

Syllabus

<p>The decision in County of Fond du Lac v. May, ante, 395, as to the invalidity of letters patent No. 25,663, granted to Edwin May, October 4, 1859, for an “ improvement in the construction of prisóns,” affirmed.</p> <p>Want of patentability is a defence to á suit for the infringement of a patent, though not set up in an answer or plea.</p>