Kennametal, Inc. v. American Cutting Alloys, Inc.
District Court, D. Delaware
1Opinion of the Court
LEAHY, District Judge.
Defendant’s patents in suit 1 cover the manufacture of sintered hard carbide compositions. Plaintiff manufactures hard carbide compositions for cutting tools. Controversy arose as to whether plaintiff was and is an infringer. The action is one for declaratory judgment. 28 U.S. C.A. § 400.
In its answer and opening statement defendant admitted that certain of the patents and claims are not infringed by plaintiff’s product and processes and moved to dismiss as to the same. The ruling on this motion becomes unnecessary in view of the decision to be made here.
It appears to be…
2Cases cited6 opinions
- Sinclair & Carroll Co. v. Interchemical Corp.Supreme Court of the United States · 1945
- Cridlebaugh v. RudolphCourt of Appeals for the Third Circuit · 1942
- Vulcan Corporation v. INTERNATIONAL SHOE MACHINE CORPORATIONDistrict Court, D. Massachusetts · 1946
- Anthony v. ShermanCourt of Appeals for the Fourth Circuit · 1947
- White v. E. L. Bruce Co.District Court, D. Delaware · 1945
1 more not listed; retrieve them via the Exa API.
3Cited by5 opinions
- Helbush v. FinkleCourt of Appeals for the Ninth Circuit · 1948
- Philadelphia Gear Works, Inc. v. Kerotest Mfg. Co.District Court, W.D. Pennsylvania · 1951
- Container Co. v. Carpenter Container Corp.District Court, D. Delaware · 1951
- American Cutting Alloys, Inc. v. Carboloy Co.District Court, E.D. Michigan · 1948
- Signalite Fuse Co. v. Fuse Indicator Corp.District Court, D. Delaware · 1948