Paulus v. Smith

The defendants, City of Chicago and its employees, appeal from a permanent injunction which restrains defendants from (1) revoking a sign permit issued to plaintiff, and (2) from interfering with or preventing plaintiff from proceeding with the completion of the sign erected under the permit. The trial court found the suit to be “an appropriate case for the application of the doctrine of equitable estoppel.”

The Municipal Ordinances of the City of Chicago involved in this appeal are section 86.1-15.1 of the Illuminated Signs and Signboards Ordinance and section 10.14 (4) of Chapter 194A of the…