Legal Opinion
Excelsior Drum Works v. Sheip & Vandegrift, Inc.
U.S. Circuit Court for the District of Eastern Pennsylvania
Decided October 20, 1909No. 117PublishedCited by 1 opinion
In Equity. Suit by Excelsior Drum Works against Sheip & Vandegrift, Incorporated, for infringement of patent. On final hearing.
1Opinion of the Court
J. B. McPHERSON, District Judge.
The patent in suit, No. 873,908, which was granted to Adolph G. Soistmann in December, 1907, upon an application filed May 5, 1906, relates to improvements in horns for talking machines. The applicant’s object was “to provide an improved structure combining simplicity of construction, strength, and lightness in weight, and -tone qualities capable of producing a maximum resonance.” The specification then goes on to describe the invention in detail:
“My improved hom comprises a series of non-metallie tapered sections, 4, preferably of hard wood or fiber. These…
2Cases cited1 opinion
- Howe MacHine Co. v. National Needle Co.Supreme Court of the United States · 1890
3Cited by1 opinion
- In Re VickersCourt of Customs and Patent Appeals · 1944