General Electric Co. v. Hartman

Citations

• 187 F. 131
• 109 C.C.A. 49
• 1911 U.S. App. LEXIS 4502

Syllabus

<p>1. Patents (§ 828*) — Validity and Infringement — Eleoteto Switch.</p> <p>The Hewlett and Emmet ¡latent. No. 800,916, for mi electric switch of the oil break type, designed for use in opening and closing electric currents of high potential, the essential feature of which is ihe making of the oil tank independent of and easily separable from the switch, to facilitate access to the coni act points and other mechanism as well as to the oil and lank for purposes of inspection and repair, discloses patentable invention of a meritorious character, and is valid; also hold infringed.</p> <p>2. Patents (§ 828*) — Invention—Electric Switch.</p> <p>The Emmet and Hewlett patent, No. 789,5597, for a high potential electric switch of the oil break type, designed to remove, or to minimize, the disadvantages and hazards which in prior arrangements were created by breaking and closing the circuit of strong currents at points which were in proximity to soot deposits in the bol tom of the oil-containing vessels, discloses patentable invention and utility, and is valid.</p>