What U.S. Patent number was granted to Nikola Tesla for a Lightning Protector in 1916?

Answer

U.S. Patent 1,266,175

In 1916, Tesla was granted U.S. Patent 1,266,175 for a Lightning Protector.

What U.S. Patent number was granted to Nikola Tesla for a Lightning Protector in 1916?
inventioninventorTeslaelectricitylightning rod