THE PATENT OFFICE is the popular name for the seat of the Department of

the Interior of which the Patent Office is a bureau. It is of the Doric
style of Greek architecture and stands on the ground set aside by L'Enfant,
the French engineer who planned Washington, for a national church."
Me construction has been piecemeal, following the growth of patent
business. In 1867 it was finished at a cost of $2.347.011.65.