Opinion · Supreme Court of the United States

Chapman v. Wintroath

40 S. Ct. 234

Type
Opinion
Court
Supreme Court of the United States
Jurisdiction
Federal
Date
1920-03-01
Topic
general

Me. Justice Clarice, delivered the opinion of the court. In 1909 Mathew T. Chapman and Mark C. Chapman filed an application for a patent on an “improvement in d,eep well pumps.” The mechanism involved was complicated, the specification intricate and. long, and the claims numbered thirty-four.

Citator

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