Introducing ATLASLearn more
Legal Opinion

American Plug Co. v. Hudson Motor Car Co.

District Court, E.D. Michigan

Decided May 23, 1927No. 1343PublishedCited by 1 opinion

1Opinion of the Court

TUTTLE, District Judge.

This suit is brought on patent No. 1,058,210, granted April 8, 1913, to Allie Ray Welch and Ered Stimson Welch, for a novel “method of finishing castings,” and transferred by mesne assignment to American Plug Company, and under which M. D. Hubbard Spring Company is the exclusive licensee.

The invention set forth in the patent involves the closing of holes which are left in hollow castings to permit the removal of the sand which constitutes the cores which produce the chambers or voids in such east-ings, of which the water chambers in the cylinder blocks and heads of…

2Cases cited16 opinions

  1. Smith v. NicholsSupreme Court of the United States · 1875
  2. McCarty v. Lehigh Valley RailroadSupreme Court of the United States · 1895
  3. Permutit Co. v. WadhamCourt of Appeals for the Sixth Circuit · 1926
  4. Silsby v. FooteSupreme Court of the United States · 1853
  5. Permutit Co. v. Harvey Laundry Co.Court of Appeals for the Second Circuit · 1922

11 more not listed; retrieve them via the Exa API.

3Cited by1 opinion

  1. Corn Products Refining Co. v. Penick & Ford, Ltd.Court of Appeals for the Seventh Circuit · 1932

Showing a preview — retrieve the full document via the Exa API.

View API DocsGet API Key

Powered by the Exa API