1. Home
  2. Browse Decisions
  3. U.S.
  4. 252 U.S.
  5. 252 U.S. 126 (1920)
 

CHAPMAN v. WINTROATH

No. 117.

252 U.S. 126 (1920)

CHAPMAN ET AL. v. WINTROATH.

Supreme Court of United States.

Decided March 1, 1920.

Attorney(s) appearing for the Case

Mr. John L. Jackson, with whom Mr. Albert H. Adams was on the brief, for petitioners:

Mr. Paul Synnestvedt, with whom Mr. H.L. Lechner was on the briefs, for respondent:

Mr. Melville Church, by leave of court, filed a brief as amicus curiae.

Mr. John C. Pennie, Mr. Dean S. Edmonds, Mr. Charles J. O'Neill and Mr. Helge Murray, by leave of court, filed a brief as amici curiae.

MR. JUSTICE CLARKE 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 deep well pumps." The mechanism involved was complicated, the specification intricate and long, and the claims numbered thirty-four. The application met with unusual difficulties in the Patent Office, and, although it had been regularly prosecuted, as required by law...

Let's get started

Leagle.com

Welcome to the leading source of independent legal reporting
Sign on now to see your case.
Or view more than 10 million decisions and orders.

  • Updated daily.
  • Uncompromising quality.
  • Complete, Accurate, Current.

Listed below are the cases that are cited in this Featured Case. Click the citation to see the full text of the cited case. Citations are also linked in the body of the Featured Case.

Cited Cases

  • No Cases Found

Listed below are those cases in which this Featured Case is cited. Click on the case name to see the full text of the citing case.

Citing Cases