Truly said, but I believe that Colt simply sent "cease and desist" letters to Uberti, ASM, et al during this period, "threatening legal action", but without any court case being the result. Per letter of the law, Colt Patent Firearms of the 1860s lost their rights TECHNICALLY to their trademarks and patents when they allowed Southern revolver manufactureres to make Colt's clones without VIGOROUSLY defending their intellectual property rights at the time. I have never heard of Colt suing G&G or Dance or any of the other Confederate makers, but then again, the war, etc.
I dont recall the modern Colt co. threatening to sue the counterfeight box and paperwork sellers or the vintage fake Colt revolver sellers.Again, per the law, if an intellectual proprerty rights owner does not VIGOROUSLY DEFEND those rights, it runs the risk of losing yhose rights.
I know this from personally experience. I lost a registered trademark, that was once valued at over a million bucks, because there was a time lapse in product production and sales while I was recuperating from a stroke a few years back. At the time I didnt have the cash to VIGOROUSLY defend my rights from interlopers. I sent numerous C&D letters "threatening legal action" which were ignored and protested to the USPTO. to no avail.