Vested interest
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
A future interest is vested when there is a person in being who would have a right, defeasible or indefeasible, to the immediate possession of the property, upon the ceasing of the intermedlate or precedent interest.
Cavil Code Cal. § 694.
See Allison v. Allison.
101 Va. 537, 44 S. E. 904, 63 Li. It. A. 920; Hawkins v. Bohling, 168 III. 214, 48 N. E. 94; Stewart v. Harnman, 56 N. H. 25, 22 Am. Rep. 408; Bunting v. Speek, 41 Kan. 424, 21 Pac. 288, 3 L. R. A. 690.