Legal Opinion
General Radio Co. v. Allen B. Du Mont Laboratories, Inc.
Court of Appeals for the Third Circuit
Decided May 12, 1942No. 7749PublishedCited by 20 opinions
1Opinion of the Court
MARIS, Circuit Judge.
The defendant has appealed from a judgment of the District Court for the District of Delaware holding Bedell reissue patent No. 20,945 valid as to certain claims and infringed by the defendant. The defendant contends that the reissue patent in suit is invalid because of anticipation by or want of invention over the prior art and that it is also invalid because of unreasonable delay in making application for the reissue and because it was improperly granted under the reissue statute.
The invention of the patent relates to an improvement in cathode-ray oscillographs. The…
2Cases cited19 opinions
- Topliff v. TopliffSupreme Court of the United States · 1892
- General Electric Co. v. Wabash Appliance Corp.Supreme Court of the United States · 1938
- Miller v. Brass Co.Supreme Court of the United States · 1882
- Mahn v. HarwoodSupreme Court of the United States · 1884
- Holland Furniture Co. v. Perkins Glue Co.Supreme Court of the United States · 1928
14 more not listed; retrieve them via the Exa API.
3Cited by20 opinions
- AstraZeneca UK Ltd. v. Aurobindo Pharma Ltd.Court of Appeals for the Federal Circuit · 2012
- Cridlebaugh v. RudolphCourt of Appeals for the Third Circuit · 1942
- Rohm & Haas Company v. Roberts Chemicals, IncorporatedCourt of Appeals for the Fourth Circuit · 1957
- Freeman v. AltvaterCourt of Appeals for the Eighth Circuit · 1943
- Richmond Engineering Company, Incorporated v. Bowser, Inc.Court of Appeals for the Fourth Circuit · 1959
15 more not listed; retrieve them via the Exa API.