Steward v. American Lava Co., 215 U.S. 161 (1909)

Name: Steward v. American Lava Co., 215 U.S. 161 (1909) - Syllabus
Author: U.S. Supreme Court

Steward v. American Lava Company

No. 27, 28

Argued November 10, 11, 1909
Decided November 29, 1909
215 U.S. 161

CERTIORARI TO THE CIRCUIT COURT

OF APPEALS FOR THE SIXTH CIRCUIT

Syllabus

A patent cannot be sustained when the theory and method are introduced for the first time in unverified amended specifications.

The patent for a tip for acetylene gas burners, and for the process of burning acetylene gas, held to be void by the court below and by this Court because the tip was not new, the description too indefinite, the amended specification, which were unverified, brought in new matter and the claim for processes so called were only claims for the functions of the described tip.

155 F. 731 and 155 F. 740 affirmed.

The facts are stated in the opinion.

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Chicago: U.S. Supreme Court, "Syllabus," Steward v. American Lava Co., 215 U.S. 161 (1909) in 215 U.S. 161 Original Sources, accessed April 17, 2025, http://originalsources.com/Document.aspx?DocID=YRBQAVH85RWPGNB.

MLA: U.S. Supreme Court. "Syllabus." Steward v. American Lava Co., 215 U.S. 161 (1909), in 215 U.S. 161, Original Sources. 17 Apr. 2025. http://originalsources.com/Document.aspx?DocID=YRBQAVH85RWPGNB.

Harvard: U.S. Supreme Court, 'Syllabus' in Steward v. American Lava Co., 215 U.S. 161 (1909). cited in 1909, 215 U.S. 161. Original Sources, retrieved 17 April 2025, from http://originalsources.com/Document.aspx?DocID=YRBQAVH85RWPGNB.

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