Hoyt v. Horne
Supreme Court of the United States
APPEAL FROM THE CIRCUIT COURT OF THE UNITED STATES FOR THE DISTRICT OF ' MASSACHUSETTS. The court stated the case as follows : This was a bill in equity for the infringement of letters •patent No. 303,374, issued August 12, 1884, to John Hoyt, for a rag engine for paper making. “This invention,” said the patentee in his specification, “relates to engines for beating rags, and similar fibrous material into pulp for the manufacture of paper.
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APPEAL FROM THE CIRCUIT COURT OF THE UNITED STATES FOR THE DISTRICT OF ' MASSACHUSETTS. The court stated the case as follows : This was a bill in equity for the infringement of letters •patent No. 303,374, issued August 12, 1884, to John Hoyt, for a rag engine for paper making. “This invention,” said the patentee in his specification, “relates to engines for beating rags, and similar fibrous material into pulp for the manufacture of paper. In these machines a beater-roll set with kni\ js •around its periphery is used, in combination with a bed-plate also set with knives, the said parts being…
1Opinion of the CourtJustice Brown
The engine in ordinary use by paper makers for the reduction of rags to pulp prior to the invention in question consisted of . a tub about fourteen feet in length with straight sides and semicircular ends. Through the centre of this ran ■'a vertical partition called the mid-feather, extending lengthwise of the tub, and with sufficient room between the ends of the partition, and the ends of the tub to allow the pulp to pass around from one side of the tub to the other; Midway of the tub and between the mid-feather and one side was a wheel or beater-roll, armed with knives, placed…
2Cases cited1 opinion
- Winans v. DenmeadSupreme Court of the United States · 1854
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