Automatic Weighing Mach. Co. v. Pneumatic Scale Corp.
Court of Appeals for the First Circuit
Appeal from the Circuit Court of the United States for the District of Maine.
1Opinion of the Court
COT/T, Circuit Judge.
This is a- bill in equity brought under section 4920 of the Revised Statutes (U. S. Comp. St. 1901, p. 3394) for infringement of the first seven claims of the Thomas patent, No. 766,00 k for improvements in automatic weighing machines. The invention consists', broadly speaking, in the addition of a second hopper with a time valve to the previous single-hopper weighing machine of the Doble and Watson patent, No. 556,258.
*290The only defense is priority of invention by Thomas W. Watson, to whom a patent-was issued for the same invention. It is admitted that both Thomas and…
2Cases cited29 opinions
- The Barbed Wire PatentSupreme Court of the United States · 1892
- Loom Co. v. HigginsSupreme Court of the United States · 1882
- Seymour v. OsborneSupreme Court of the United States · 1871
- Miller v. Eagle Manufacturing Co.Supreme Court of the United States · 1894
- Morgan v. DanielsSupreme Court of the United States · 1894
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3Cited by71 opinions
- Hybritech Incorporated v. Monoclonal Antibodies, Inc.Court of Appeals for the Federal Circuit · 1986
- McCreery Engineering Co. v. Massachusetts Fan Co.Court of Appeals for the First Circuit · 1912
- Sachs v. Hartford Electric Supply Co.Court of Appeals for the Second Circuit · 1931
- Uihlein v. General Electric Co.Court of Appeals for the Seventh Circuit · 1931
- Twentieth Century Machinery Co. v. Loew Mfg. Co.Court of Appeals for the Sixth Circuit · 1917
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