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DATAMP Patents by Month for 1931
This table shows the number of the first patent in the DATAMP database for each month, broken down by patent type.
January 1,787,432RE17,933D83,121--[datamp][all]
February 1,790,848RE17,959---[datamp][all]
March 1,794,361-D83,743--[datamp][all]
April 1,799,215-D84,049--[datamp][all]
May 1,803,345----[datamp][all]
June 1,807,625RE18,093---[datamp][all]
July 1,812,871----[datamp][all]
August 1,816,853-D84,910--[datamp][all]
September 1,821,113----[datamp][all]
October 1,825,873----[datamp][all]
November 1,829,770----[datamp][all]
December 1,834,034-D85,664--[datamp][all]