§ 970. Shares of unknown or absent owner. Where a person has been made
a defendant as an unknown person, or where the name of a defendant is
unknown, or where the summons has been served upon a defendant without
the state or by publication, and he has not appeared in the action, the
court shall direct his portion to be paid into court and invested in
permanent securities at interest, for his benefit, until claimed by him
or his legal representatives.