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Steward v. American Lava Co., 215 U.S. 161 (1909)
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General SummaryThis case is from a collection containing the full text of over 16,000 Supreme Court cases from 1793 to the present. The body of Supreme Court decisions are, effectively, the final interpretation of the Constitution. Only an amendment to the Constitution can permanently overturn an interpretation and this has happened only four times in American history.
Steward v. American Lava Co., 215 U.S. 161 (1909)
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 July 1, 2025, http://www.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. 1 Jul. 2025. http://www.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 1 July 2025, from http://www.originalsources.com/Document.aspx?DocID=YRBQAVH85RWPGNB.
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