Legal Opinion
Raffold Process Corp. v. Castanea Paper Co.
Court of Appeals for the Third Circuit
Decided March 17, 1938No. 6222PublishedCited by 4 opinions
1Opinion of the Court
BIGGS, Circuit Judge.
In this case certain specified claims of four patents are at issue. ■ The District Court held these claims invalid and failed to hold them infringed. All four patents relate to the manufacture of paper.
Briefly, the appellant contends as follows : That Harold R. Rafton, its assignor, invented processes or methods whereby (1) a carbonate filler can be used in the commercial manufacture of paper, the mix for which had been sized previously by ordinary types of rosin sizing precipitated by alum; (2) as an alternate or supplement to the process just referred to, the use of…
2Cases cited15 opinions
- Hotchkiss v. GreenwoodSupreme Court of the United States · 1851
- Boyer v. Keller Tool Co.Court of Appeals for the Third Circuit · 1903
- Yablick v. Protecto Safety Appliance CorporationCourt of Appeals for the Third Circuit · 1927
- Brown v. District of ColumbiaSupreme Court of the United States · 1889
- Low v. McMasterCourt of Appeals for the Third Circuit · 1920
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3Cited by4 opinions
- Robert L. Jones and Labrado, Inc. v. Alex HardyCourt of Appeals for the Federal Circuit · 1984
- Friction Division Products, Inc. v. E.I. DuPont De Nemours & Co.District Court, D. Delaware · 1987
- Raffold Process Corp. v. Castanea Paper Co.Court of Appeals for the Third Circuit · 1939
- Robert L. Jones and Labrado, Inc. v. Alex HardyCourt of Appeals for the Federal Circuit · 1984