trademark name (McDonald's Corp.) of a type of hamburger sandwich, patented 1974 but alleged to have been in use from 1957. if (window.googletag) {googletag.cmd.push(function() { googletag.display('dcomMobileSERPDisplayTopAd-300x250'); });} else {console.error('googletag not defined, dcomMobileSERPDisplayTopAd-300x250');}