Æolian Co. v. Wanamaker

Citations

• 221 F. 666
• 1915 U.S. Dist. LEXIS 1612

Syllabus

<p>1. Patents <©=>328—Invention—Improvement in Pianos.</p> <p>The Yotey patent, No. 780,078, for an improvement in pianos, which consists essentially of a pneumatic player attachment for grand pianos, held void for lack of invention, in view of the prior art.</p> <p>2. Patents <©=>27—“Patentable Invention”—Transfer of Device to Analogous Art.</p> <p>The transfer of a device well known in one art to an analogous art, where it performs the same function, does not constitute “patentable invention.”</p> <p>[Ed. Note.—For other cases, see Patents, Cent. Dig. §§ 31, 32; Dec. Dig. <©=>27.</p> <p>For other definitions, see Words and Phrases, First and Second Series, Invention.]</p> <p><©3»For otñfcr cases see same topic & KEY-NUMBER in all Key-Numbered Digests & Indexes</p>