1836 Patent Act
The Patent Act of 1836 (Pub.L. 24–357, 5 Stat. 117, enacted July 4, 1836) established a number of important changes in the United States patent system. These include:
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Wikipedia
The Patent Act of 1836 (Pub.L. 24–357, 5 Stat. 117, enacted July 4, 1836) established a number of important changes in the United States patent system. These include: