Consolidated Car Heating Co. v. American Electric Heating Corp.
U.S. Circuit Court for the District of Massachusetts
This was a suit in equity by the Consolidated Car Heating Company against the American Electric Heating Corporation, the West End Street-Railway Company, and certain individuals, for alleged infringement of letters patent No. 500,288, issued June 27, 1893, to the complainant, as assignee of James F. McEIroy.
1Opinion of the Court
PUTNAM, Circuit Judge.
The main question in this case is that of patentability. It is entirely plain that, in the state of the art, whatever the inventor accomplished was by careful attention to mechanical details of a character which do not ordinarily involve invention. We think, however, the circumstances bring the patent within the practical rules stated in Watson v. Stevens, 2 C. C. A. 500, 51 Fed. 757.
There are two claims in this case, as follows:
“(1) In an electrical beater, a wire wound in tbe form of a spiral spring extending in a spiral path about a cylindrically formed nonconductor,…
2Cases cited2 opinions
- Green v. BogueSupreme Court of the United States · 1895
- Watson v. StevensCourt of Appeals for the First Circuit · 1892
3Cited by8 opinions
- Siemens Aktiengesellschaft v. Sonotone CorporationDistrict Court, N.D. Illinois · 1973
- Consolidated Car-Heating Co. v. West End St. Ry. Co.Court of Appeals for the First Circuit · 1898
- Tolfree v. WetzlerDistrict Court, D. New Jersey · 1927
- Simonds Rolling-Mach. Co. v. Hathorn Mfg. Co.Court of Appeals for the First Circuit · 1899
- Davey Pegging Mach. Co. v. Isaac Prouty & Co.Court of Appeals for the First Circuit · 1901
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