How many patents were granted in the United States in the years before 1860?

1. 1. Patent counts are given for three stretches of time in a row. 2. 2. The figure for the years before 1860 is 36,000. 3. 3. The much larger figures belong to the decades that followed, so they are the wrong stretch. 4. 4. The rise from 36,000 is itself the point being made about the speed of invention after the war. _Source: An Outline of American History (U.S. Information Agency, 1990, public domain), section THE ERA OF EXPANSION AND REFORM_