Okla. Stat. tit. 84, § 84-259: Conclusiveness of judgment

Such decree or judgment shall be conclusive as to the rights of

such devisees, or heirs at law of such deceased person, or grantees

in such deed or patent, and of their heirs, executors,

administrators, devisees, trustees, and assigns, immediate and

remote, in and to such real property and every part thereof, subject

only to be reversed, or set aside, or modified, on appeal, or to be

opened and they or any of them let in to defend upon the same terms

and with like effect, as provided in section 4728, article 6,

chapter 60, of the Revised Laws of Oklahoma 1910, Laws 1919, c.

261, p. 372, Sec. 3.