The group behind the new USF1 team are set to officially launch the project on 24 February.
The announcement of their full plans is expected to take place on American television channel SPEED. USF1 founding partner Peter Windsor currently works for the broadcaster's Formula One coverage as a pit lane reporter.
In an interview with SPEED's website earlier this week, Windsor confirmed that 24 February was the likely date for an official announcement, and a countdown clock has now appeared on the team's website indicating that it will happen at 8am Eastern time (the time zone for USF1's likely North Carolina base) in ten days' time.
"Ken Anderson and I have been looking at the possibility of designing and building an F1 car in the USA for the past four years," Windsor told speedtv.com.
"So I guess the real surprise is that we were able to keep it quiet for so long.
"The news broke this week but the real announcement is going to be live on SPEED, potentially on February 24."
Although now established as a broadcaster and journalist, Windsor was formerly the team manager for the Williams F1 squad, while his partner Anderson worked for the Onyx and Ligier teams in the 1980s and is a successful engineer and designer in American motorsport.