...(1886), as follows: The claim is a statutory requirement, prescribed for the very purpose of.making the patentee define precisely what his invention is;...manner different from the plain import of its terms. 24 Judge Nies found it axiomatic that infringement requires that the claim "read on" the accused device...

...patentee define precisely what his invention is; and it is unjust to the public, as well as an evasion of law, to construe it in a manner different from the plain import of its terms. 119 US at 52. Thus, the '035 patent must not be construed to include subject matter that Tanabe did...