Trump's tenure will undeniably cease on Jan. 20th
While it looks like that is valid, based on current vote counts, we will know for a fact after the Joint Session of Congress finishes counting the votes of the electoral college. Once the tally has ended, I don;t think there is any legal wiggle room left for Teflon Man to slip through any loopholes.

Then it will be .... You're fired! .... Hit the road Mr Don ... and don't let the door hit you in the butt on your way out

ignorance is the enemy
without equality there is no liberty