The USPTO must receive the issue fee and final drawings within three months of when the USPTO mailed the notice to the applicant. These are statute-mandated steps and no exceptions or extensions can be granted. A Notice of Allowance And Fee(s) Due form (PTOL-85), has several parts.
Vouch definition, to support as being true, certain, reliable, etc. (usually followed by for): Her record in office vouches for her integrity. See more.
The Sun (2010)The Times cannot vouch for the accuracy of the emails or invoices. Times, Sunday Times (2016)I would vouch for his safety and recommend his release tomorrow. The Sun (2014)I can certainly vouch for that. The Sun (2010)I can honestly vouch for the fact that it's not true. Times, Sunday Times (2007)I can personally vouch for the fact that the first smell of freedom and all that jungle air can do strange things to a man.