Wash. Rev. Code § 23B.14.060
(1) A dissolved corporation that has published notice of its dissolution in accordance with RCW 23B.14.030(3) may dispose of any or all of the known claims against it by giving written notice of its dissolution to the holders of the known claims at any time after the effective date of dissolution. The written notice of dissolution must:
(2) A known claim against the dissolved corporation is barred:
(3) For purposes of this section, "known claim" means any claim or liability:
(a) That either:
[ 2006 c 52 s 9; 1989 c 165 s 159.]