Okla. Stat. tit. 16, § 16-73: Claims prior to date of root title as null and void

Subject to matters stated in Section 2 hereof, such marketable

record title shall be held by its owner and shall be taken by any

person dealing with the land free and clear of all interests, claims

or charges whatsoever, the existence of which depends upon any act,

transaction, event or omission that occurred prior to the effective

date of the root of title. All such interests, claims or charges,

however denominated, whether legal or equitable, present or future,

whether such interests, claims or charges are asserted by a person

sui juris or under a disability, whether such person is within or

without the state, whether such person is natural or corporate, or

is private or governmental, are hereby declared to be null and void.