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DATAMP Patents by Date for March 1857

This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.

Date Utility Reissue Design X AI Patents 3 16,725 - - - AI159 [datamp] [all] 10 16,781 RE435 - - - [datamp] [all] 17 16,828 RE438 - - AI160 [datamp] [all] 24 16,876 - - - - [datamp] [all] 31 16,911 RE444 - - AI161 [datamp] [all]