If no heir or legatee be ascertained at the expiration of three years from the original grant of administration, the judge shall order the administrator to pay the balance into the state treasury, where it shall be subject to the claims of persons entitled thereto, upon application to the legislature.
RSA 561:9
RS 166:7. CS 176:8. GS 184:8. GL 203:8. PS 196:8. PL 307 :8. RL 360:9.