Brodie v. Ophir Silver Min. Co.
U.S. Circuit Court for the District of California
[At law. This was an action on the case, tried, upon submission, before Mr. Justice Field, without a jury, to recover damages for the infringement of letters patent for an “improved amalgamating barrel,” granted to James Brodie, July 5, 1804. [The invention consisted In malting the wooden lining of amalgamating barrels of blocks of wood, placed so that the fibres of the wood were inside, and exposed to the wear of the ore.
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[At law. This was an action on the case, tried, upon submission, before Mr. Justice Field, without a jury, to recover damages for the infringement of letters patent for an “improved amalgamating barrel,” granted to James Brodie, July 5, 1804. [The invention consisted In malting the wooden lining of amalgamating barrels of blocks of wood, placed so that the fibres of the wood were inside, and exposed to the wear of the ore. The claim was as follows: “The introduction of blocks of wood as a lining into the barrel, the ends or grain of which blocks are presented to the action of the ores being…
1Opinion of the Court
FIELD, Circuit Justice.
This is an action to recover damages for an alleged infringement of the patent right of the plaintiffs to an improved German barrel for amalgamating gold and silver ores. The improvement consists in lining the barrel with blocks of wood, placed so as to present the end of the fibre to the action of the ore, instead of constructing it as was previously done, in such a way as to bring the wear of the ore directly across the fibre. The durability of the barrel is thus increased, and the expense of its construction is lessened. A barrel thus constructed will last a year,…
2Cited by2 opinions
- Hulett v. LongCourt of Appeals for the D.C. Circuit · 1899
- Welling v. La BauU.S. Circuit Court for the District of Southern New York · 1888