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DATAMP Patents by Month for 1939
This table shows the number of the first patent in the DATAMP database for each month, broken down by patent type.
January 2,142,285RE20,974D112,888--[datamp][all]
February 2,145,977-D113,331--[datamp][all]
March 2,149,940-D113,860--[datamp][all]
April 2,152,837----[datamp][all]
May 2,156,905-D114,970--[datamp][all]
June 2,160,966-D115,256--[datamp][all]
July 2,164,455-D115,575--[datamp][all]
August 2,167,720RE21,180D116,269--[datamp][all]
September 2,171,589----[datamp][all]
October 2,174,758-D116,951--[datamp][all]
November 2,178,541-D117,460--[datamp][all]
December 2,182,234----[datamp][all]