Okla. Stat. tit. 41, § 41-36: Renewal of lease presumed unless notice of termination

given.

A lease of real property, for a term not specified by the

parties, is deemed to be renewed, as stated in the last section, at

the end of the term implied by law, unless one of the parties gives

notice to the other of his intention to terminate the same, at least

as long before the expiration thereof as the term of the lease

itself, not exceeding one (1) month.