All purchasers of real property belonging to this state, their heirs and assigns, except in cases otherwise provided by this Code, are entitled to receive a patent therefor on producing to the secretary of state a certificate signed by the state treasurer that the amount due for such real estate has been paid into the state treasury.
(Code 1852, §1352; Code 1867, §1622; Code 1876, §2230; Code 1886, §1877; Code 1896, §2701; Code 1907, §890; Code 1923, §1500; Code 1940, T. 47, §59.)