I am trying to get list of granted patents searched by class at http://patft.uspto.gov/netahtml/PTO/search-adv.htm

I am trying the following string. Anybody have any Idea how to do this.

icl/C07 AND icl/A61

It is showing 0 reslts


Please use Truncation for classification as you are not using complete classification.

e.g. icl/c07$ AND icl/a61$

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