The court on motion of a defendant shall arrest judgment if the indictment or information does not charge an offense or if the court was without jurisdiction of the offense charged. The motion in arrest of judgment shall be made within 7 days after verdict or finding of guilty, or after plea of guilty or nolo contendere, or within such further time as the court may fix during the 7-day period.
De. R. Crim. P. Super. Ct. 34