591.12  Effect of foregoing statutes.
  Sections 591.1 to 591.11 hereof shall not affect pending litigation and shall not operate to revive rights or claims previously barred, and shall not permit an action to be brought or maintained upon any claim or cause of action which was barred by any statute which was in force prior to July 4, 1955.
[C58, 62, 66, 71, 73, 75, 77, 79, 81, §591.12]