Evolution of the Claims of U.S. Patents (pt. 1)

Name: Evolution of the Claims of U.S. Patents (pt. 1)
Cite: 20 J. PAT. OFF. SOCâ€™Y 134
Year: 1938
Bluebook cite: Karl B. Lutz, Evolution of the Claims of U.S. Patents (pt. 1), 20 J. PAT. OFF. SOCâ€™Y 134, 139-41 (1938)
Author: Karl B. Lutz
URL
Item Type: article
Summary: Applicants must distinguish the old from the new for a valid patent on an improvement. In the specification, the machine may be described in its entirety, but the applicant must then specifically distinguish what is new in his machine (i.e. what he is claiming).

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