[Excaliber]

He lost the suit on the general "body shape" of a Cobra, which then passed into the public domain. No foul to recreate the basic shape by anybody these days, just don't use the name "Cobra". If Shelby don't get you, Ford will!

Last I heard he was registering many other versions of the various names used for Cobras through the years. "427 Cobra", for instance.