International Patent Classification (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "International Patent Classification" in English language version.

refsWebsite

Global rank English rank

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1,462^nd place

1,223^rd place

low place

epo.org

FAQ on IPC Reform. Hosted by the esp@cenet website, http://www.epo.org/patents/patent-information/ipc-reform/faq.html#16 Archived 2010-10-03 at the Wayback Machine. (Internet Archive version dated October 12, 2007).

FAQ on IPC Reform. Hosted by the esp@cenet website, http://www.epo.org/patents/patent-information/ipc-reform/faq.html#16 Archived 2010-10-03 at the Wayback Machine. (Internet Archive version dated October 12, 2007).
Guide to the International Patent Classification (Eighth Edition), WIPO Publication No 560E.5/8, ISBN 92-805-1442-3, paragraphs 29-33 (Internet Archive version dated October 14, 2007).