557.13  Covenants — spouse not bound.
  Where either the husband or wife joins in a conveyance of real estate owned by the other, the husband or wife so joining shall not be bound by the covenants of such conveyance, unless it is expressly so stated on the face thereof.
[C73, §1937; C97, §2921; C24, 27, 31, 35, 39, §10052; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §557.13]