An attaching or judgment creditor of a vendee in a sale, contract or lease wherein the transfer of title or ownership of personal property is contingent upon any condition, has a lien upon the personal property to the extent of the interest of the vendee therein. For the purposes of W.S. 1-17-417 and 1-17-418, the interest of the vendee is the amount which the personal property will bring at any judicial sale, over and above any sums then unpaid to the vendor in the sale, contract or lease.
W.S. 1-17-417