US patent records in FreePatentsOnline now display titles of cited US patent documents. This is a nice improvement since it provides more information about the reference without forcing you to leave the current document. Titles of cited references available in the USPTO database nor are included on patent documents.
However, I noticed recently that some FPO records do not include all the older cited references. For example, US 3,803,463 cites 8 US patent documents, the earliest being 8,843 issued in 1852 and 644,896 from 1900. However, the FPO record for this patent displays only 6 cited patents, the earliest being 2,401,815 from 1946.
After further testing it appears that the problem is limited to pre-1976 patents.
About Me
- Michael White
- I'm the librarian for research services in the Engineering and Science Library at Queen's University in Kingston, Ontario. I've been working with patent information since 1991, including seven years at the U.S. Patent and Trademark Office. I believe that the dissemination of patent information is a public good and should be promoted, especially in the education of science and engineering students.
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