...there was unjust enrichment, it inured to Anna McIntyre Cassidy, not to the purchasers from her.
Nor was there an equitable lien upon the property. Equitable lien is defined in Restatement, Restitution, p. 650, sec. 161:
"Where property of one person can by a proceeding in equity be reached by another as security for a claim on the ground that otherwise the former would be unjustly enriched, an equitable lien arises."
The essential elements of...equitable lien were stated in Marshall Savings Loan Asso. v. Chicago Nat. Bank (1965), 56 Ill. App.2d 372, 378, 206 N.E.2d 117:
"The essential elements of...Louis F. McIntyre and his mother contemporaneously with the conveyance by Louis of his interest in the property to his mother, by quitclaim deed, created an equitable lien which could be enforced by...