Pelosi has until whenever she wants to send it to the Senate and after the impeachment passed has indicated she wouldn't send it until she felt it would get a fair shake
f**k amazing actually. Now the president has been impeached the house can find more things to imoeach him on. Trump can complain about the process all he wants but he has McConnell saying he will be running a kangaroo court. So until he agrees to do it in a certain fashion it's then just up in the air, looming over Trump. It's a Sword of Damocles as a check on the executive