Perkins Electric Switch Mfg. Co. v. United Electric Const. Co.

Citations

• 187 F. 942
• 1911 U.S. App. LEXIS 5171

Syllabus

<p>Patents (§ 828*) — Infringement—Incandescent Lamp Socket.</p> <p>The Perkins patent, No. 626,927, for an incandescent lamp socket, the dominating and essential feature of which, as construed in prior decisions, is the complete separation and insulation of the chambers, held not infringed by a device which lacks such feature.</p>