Legal Opinion
Kaehni v. Diffraction Company
District Court, D. Maryland
Decided April 28, 1972No. Civ. A. 20693PublishedCited by 25 opinions
1Opinion of the Court
NORTHROP, Chief Judge.
This is an action brought under the Patent Laws of the United States, Title 35 U.S.C., by Frank J. Kaehni and Marie Kaehni, plaintiffs, for infringement of U. S. Letters Patent No. 2,463,280 (hereinafter, “280”), issued March 1, 1949. Jurisdiction of this Court is based on 28 U.S.C. § 1338; venue is not contested.
Plaintiffs contend that defendant, The Diffraction Company, Inc. (hereinafter, “Diffraction”) manufactured and sold devices which infringed claims 1 and 4 of Patent 280, which claims read on figure 15 of said patent.
Diffraction admits manufacturing and selling…
2Cases cited11 opinions
- Blonder-Tongue Laboratories, Inc. v. University of Illinois FoundationSupreme Court of the United States · 1971
- Monolith Portland Midwest Company, a Nevada Corporation v. Kaiser Aluminum & Chemical CorporationCourt of Appeals for the Ninth Circuit · 1969
- Purer & Company and Phillip Purer v. Aktiebolaget Addo and Addo MacHine Company, Inc.Court of Appeals for the Ninth Circuit · 1969
- Ellipse Corporation, Cross-Appellant v. Ford Motor Company, Cross-AppelleeCourt of Appeals for the Seventh Circuit · 1971
- Talon, Inc. v. Union Slide Fastener, Inc., Union Slide Fastener, Inc. v. Talon, Inc.Court of Appeals for the Ninth Circuit · 1959
6 more not listed; retrieve them via the Exa API.
3Cited by25 opinions
- Lam, Inc. v. Johns-Manville Corporation and Johns-Manville Sales CorporationCourt of Appeals for the Federal Circuit · 1983
- MacHinery Corporation of America v. Gullfiber Ab, Gullfiber International and Marvin SchneiderCourt of Appeals for the Federal Circuit · 1985
- Hairline Creations, Inc. v. Diane KefalasCourt of Appeals for the Seventh Circuit · 1981
- Maurice A. Garbell, Inc. v. Boeing CompanyDistrict Court, C.D. California · 1973
- Leonard Kahn v. Dynamics Corporation of AmericaCourt of Appeals for the Second Circuit · 1975
20 more not listed; retrieve them via the Exa API.