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DATAMP Patents by Date for March 1860
This table shows the number of the first patent in the DATAMP database for each date, broken down by patent type.
DateUtilityReissueDesignXAIPatents
627,354RE921--AI268[datamp][all]
1327,426---AI271[datamp][all]
2027,534---AI272[datamp][all]
2727,607---AI273[datamp][all]