In order to commence a trademark infringement suit, a company may have to demonstrate that their trademark has not becomegenericized. This occurs when the trademark has become widely used to refer not only to the trademarked product, but other products as well. When this occurs, then the trademark loses its legal protection. As such, companies work to make sure that their trademark is very distinct. For example, the makers of Kleenex, Kimberly-Clark, realize that many people refer to all facial tissue as a Kleenex. Therefore, they spend resources to make sure that their trademark remains distinct.

What other products that have either lost their trademark status or could be in danger of losing their trademark status because the trademark has become "generic"?