Singer Mfg. Co. v. Cramer, 192 U.S. 265 (1904) (No. 18)
1904
Case name: Singer Mfg. Co. v. Cramer Opinion filed: 1904-02-01 Docket No.: 18 Citations: • 192 U.S. 265 • 24 S. Ct. 291 • 48 L. Ed. 437 • 1904 U.S. LEXIS 994 Case holding summaries: • the trial court should have granted a directed verdict when there was no dispute as to the meaning of any term of art and no substantial evidence of infringement • "As in each of the patents in question it is apparent from the face of the instrument that extrinsic evidence is not needed ... the question of infringement or no infringement is one of law...." • construing the claims in light of the prosecution history as a matter of law