246 N.W.2d 170 V. R. ROONEY v. DAYTON-HUDSON CORPORATION AND OTHERS. Supreme Court of Minnesota. No. 45574. September 10, 1976. Contracts — construction of agreement — duration. 1. The agreement of the parties made August 21, 1973, was an option to purchase and not a contract to purchase, and thus expired by its own terms. […]