Deister Concentrator Co. v. Deister Mach. Co.

241 F. 379, 154 C.C.A. 259, 1917 U.S. App. LEXIS 1778
CourtCourt of Appeals for the Seventh Circuit
DecidedJanuary 2, 1917
DocketNo. 2319
StatusPublished
Cited by1 cases

This text of 241 F. 379 (Deister Concentrator Co. v. Deister Mach. Co.) is published on Counsel Stack Legal Research, covering Court of Appeals for the Seventh Circuit primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Deister Concentrator Co. v. Deister Mach. Co., 241 F. 379, 154 C.C.A. 259, 1917 U.S. App. LEXIS 1778 (7th Cir. 1917).

Opinion

MACK, Circuit Judge.

This is an appeal from a decree dismissing a bill for infringement of claims 7, 8, and 9 of patent No. 763,784, issued to Gustave A. Ovcrstrom, for an ore-concentrating table. Claim 7, which is typical of the others, reads as follows :

A concentrating-table having riffles upon the upper surface thereof, a covering or lining Interposed between the riffles and table, and a. wedge block interposed between said table and covering to form an upwardly inclined surface at the mineral delivery end of the table, and means for reciprocating the table in the dttection of the length of said riffles, as and for the punióse set forth.

The alleged infringement consists in the sale of concentrators constructed as shown in the drawings of patent to William i\ Deister, No. 1,088,685, and described in the specifications thereof, and in the construction of plateaus, as shown in Figures 6 and 7 .of the Deister patent, upon the decks of pre-existing concentrating tables, especially those made under the Williey patent No. 590,675. The following drawings from the several patents will give a clearer understanding of the contentions:

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Cite This Page — Counsel Stack

Bluebook (online)
241 F. 379, 154 C.C.A. 259, 1917 U.S. App. LEXIS 1778, Counsel Stack Legal Research, https://law.counselstack.com/opinion/deister-concentrator-co-v-deister-mach-co-ca7-1917.