Legal Opinion
Life Time Doors, Incorporated v. Walled Lake Door Company
Court of Appeals for the Sixth Circuit
Decided November 15, 1974No. 73-2201PublishedCited by 24 opinions
1Opinion of the Court
WEICK, Circuit Judge.
Lifetime Doors, Inc.. (Lifetime), a Delaware corporation, has appealed to this Court from an order of the District Court adjudging that the Gilbert U.S. Patent No. 3,168,763 on a “Solid Core Door” was invalid and not infringed by the door manufactured by Walled Lake Door Company (Walled Lake).
The patent in suit was issued on February 9, 1965 to Lifetime Door Co. of Mich., a corporation of Michigan, on an application filed by the inventor, William B. Gilbert, on February 9, 1962, which patent was assigned by him to the corporation. On January 20, 1969 Lifetime Door Co. of…
2Cases cited9 opinions
- Waterman v. MacKenzieSupreme Court of the United States · 1891
- Independent Wireless Telegraph Co. v. Radio Corp. of AmericaSupreme Court of the United States · 1926
- Littlefield v. PerrySupreme Court of the United States · 1875
- Cook and Sons Equipment, Inc. v. Morris KillenCourt of Appeals for the Ninth Circuit · 1960
- Floyd Van Hoose v. William P. EidsonCourt of Appeals for the Sixth Circuit · 1971
4 more not listed; retrieve them via the Exa API.
3Cited by24 opinions
- Torres v. Oakland Scavenger Co.Supreme Court of the United States · 1988
- Weinar v. Rollform Inc.Court of Appeals for the Federal Circuit · 1984
- Dura Systems, Inc., a Pennsylvania Business Corporation, in 89-3005 v. Rothbury Investments, Ltd., a Canadian Corporation, in 89-3023Court of Appeals for the Third Circuit · 1989
- Joanne Ayres v. Sears, Roebuck & CompanyCourt of Appeals for the Fifth Circuit · 1986
- Roger Neil Weinar, an Individual, Concept Search, Inc., a Corporation, and National Gypsum Company, a Corporation v. Rollform Incorporated, a Corporation, Roger Neil Weinar, an Individual, Concept Search, Inc., a Corporation, and National Gypsum Company, a Corporation, Cross-Appellants v. Rollform Incorporated, a Corporation, and George C. Adams, an Individual, Cross-AppelleesCourt of Appeals for the Federal Circuit · 1984
19 more not listed; retrieve them via the Exa API.