Category Archives: cross-reference art collections

Hidden Gems in the USPC: Cross-References & Digests

Posted on March 11, 2010 by mjwhitekingston

I’m not a huge fan of the U.S. Patent Classification System. It’s not intuitive and its documentation can be intimidating. The structure of the USPC is a mish-mash of historical practices and applied theories. Although it’s frequently described as a … Continue reading →

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