Legal Opinion
Sylvania Electric Products, Inc. v. Henry B. Brainerd
Court of Appeals for the First Circuit
Decided June 20, 1974No. 74-1059PublishedCited by 1 opinion
1Opinion of the Court
COFFIN, Chief Judge.
This is an appeal from a decision of the district court, reported at 369 F. Supp. 468 (D.Mass.1974), finding the defendant-appellant’s patent void, 35 U. S.C. §§ 101-103, and, alternatively, finding that the patent was not infringed by the system developed and marketed by plaintiff-appellee. The court granted appellee’s motion for declaratory judgment and dismissed the counterclaim. Because we agree that appellant’s patent is void, we do not reach the infringement issue.
The Brainerd patent concerns a mechanism designed to automatically identify railroad cars as they pass…
2Cases cited4 opinions
- Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
- Great Atlantic & Pacific Tea Co. v. Supermarket Equipment Corp.Supreme Court of the United States · 1951
- Koppers Company, Inc. v. Foster Grant Co., Inc.Court of Appeals for the First Circuit · 1968
- Sylvania Electric Products, Inc. v. BrainerdDistrict Court, D. Massachusetts · 1974
3Cited by1 opinion
- Forbro Design Corp. v. Raytheon Co.District Court, D. Massachusetts · 1975