(a)First extension request after issuance of notice of allowance. The applicant may request a six-month extension of time to file the statement of use required by § 2.88 . The extension request must be filed within six months of the date of issuance of the notice of allowance under section 13(b)(2) of the Act and must include the following: (1) A written request for an extension of time to file the statement of use; (2) The fee required by § 2.6 per class. The applicant must pay a filing fee sufficient