Yale Lock Manufacturing Co. v. Greenleaf
Citations
- 117 U.S. 554
- 6 S. Ct. 846
- 29 L. Ed. 952
- 1886 U.S. LEXIS 1872
Syllabus
<p>The scope of letters patent must be limited to the invention covered by the claim; the claim mayibe illustrated, but it cannot be enlarged by language ■ used in other- parts of the specification.</p> <p>The change made by George Rosner in the devices used in previous combina, tions for the purposes described in his application for a patent in Septem,. ber, 1860, were such as would occur to an unskilled mechanic, and were not inventions within the meaning of the patent laws.</p> <p>The first claim in the patent 80092, September 18, 1860, Reissue 4488, July 25,1871,'granted to George Rosner, was anticipated by th,e application and specification of D. H. Rickards filed March 13, 1852, and by locks manufactured by Evans & Watson in 1853.</p>
How courts have described this case
Verbatim parenthetical descriptions written by other courts when citing this decision. Ranked by citation-network relevance.
- claim \anticipated\ because change over prior art device \would occur to rudest and most unskilled mechanic\
- claim \anticipated” because change over prior art device \would occur to rudest and most unskilled mechanic”
- “The scope of letters-patent must be limited to the invention covered by the claim, and while the claim may be illustrated it cannot be enlarged by language used in other parts of the specification.”
Source: CourtListener parenthetical corpus (CC0).
Judges: Woods
Read full opinion on CourtListenerSourced from CourtListener / Free Law Project (CC0).
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