Legal Opinion
Harper v. Zimmermann
District Court, D. Delaware
Decided May 7, 1930No. 698PublishedCited by 20 opinions
1Opinion of the Court
MORRIS, District Judge.
On November -22, 1921, Paul G. Zimmermann filed an application for a patent on “Airplane Wings and Art of Mechanical Flight.” On April 3, 1922, Carl Brown Harper filed an application for a patent on “Airplanes.” Thereafter, on May 16, 1924, the Patent Office declared an interference between the eopending applications upon three counts. The Examiner of Interferences decided in favor of Zimmermann. The Board of Appeals confirmed, June 23, 1928, the decision of the Examiner. Thereupon Harper filed this suit in equity under R. S. § .4915, as amended (35 USCA § 63), praying…
2Cases cited34 opinions
- The Barbed Wire PatentSupreme Court of the United States · 1892
- Loom Co. v. HigginsSupreme Court of the United States · 1882
- Seymour v. OsborneSupreme Court of the United States · 1871
- Gayler v. WilderSupreme Court of the United States · 1851
- Alexander Milburn Co. v. Davis-Bournonville Co.Supreme Court of the United States · 1926
29 more not listed; retrieve them via the Exa API.
3Cited by20 opinions
- Marconi Wireless Co. v. United StatesSupreme Court of the United States · 1943
- Marconi Wireless Telegraph Company of America v. United StatesSupreme Court of the United States · 1943
- Stearns v. Tinker & RasorCourt of Appeals for the Ninth Circuit · 1955
- Knutson v. GallsworthyCourt of Appeals for the D.C. Circuit · 1947
- Uihlein v. General Electric Co.Court of Appeals for the Seventh Circuit · 1931
15 more not listed; retrieve them via the Exa API.