Legal Opinion
New York Asbestos Mfg. Co. v. Ambler Asbestos Air-Cell Covering Co.
U.S. Circuit Court for the District of Eastern Pennsylvania
Decided July 18, 1900PublishedCited by 4 opinions
In Equity. Suit for infringement of a patent. On final bearing.
1Opinion of the Court
GRAY, Circuit Judge.
This is a patent case, brought for an alleged infringement of letters patent No. 624,828, dated May 9, 1899, and granted to Albert Lantzke, of New York, for improvements in fireproofing material. The parties to this litigation are both engaged in the manufacture of what is known in the trade as “air-cell covering.” This is insulating, or non heat conducting, covering to be applied to steam pipes, or other hot surfaces, to prevent the loss of heat by radiation from the pipe. Air-cell covering is only one of a great variety of these largely used non heat conducting…
2Cases cited1 opinion
- Sargent v. Hall Safe & Lock Co.Supreme Court of the United States · 1885
3Cited by4 opinions
- Westinghouse Electric Corporation v. Hanovia Chemical & Mfg. CoCourt of Appeals for the Third Circuit · 1950
- American Stove Co. v. Cleveland Foundry Co.Court of Appeals for the Sixth Circuit · 1908
- New York Asbestos Mfg. Co. v. Ambler Asbestos Air-Cell Covering Co.Court of Appeals for the Third Circuit · 1901
- Townsend v. LorraineDistrict Court, S.D. California · 1922