Chapman v. Wintroath

Supreme Court of the United States · Decided 1920-03-01

Cited by 102 later decision(s) in our corpus · see the citation network in Lexace

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From the opinion

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. The application met…

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