Ford has recently applied for a trademark for the name “Mustang Dark Horse” with the European Union Intellectual Property Office, hinting at a new trim for the Ford Mustang lineup. The filing could be for a model set to arrive with the seventh-generation Mustang. However, the Dark Horse name will more likely be applied to Ford’s new Black Accent Package, which includes black-painted wheels, block pony badges, and a black-painted wing. Hmmmm. Ford Mustang Dark Horse: Trademark DetailsThe trademark filing 018721280 is for the use of the “Mustang Dark Horse” name. Unfortunately, it is only for Eu…