U.S. federal trademark · Serial No. 78049479
A Subrowser is a function on a website that allows a user to open several sites simultaneously at once within one browser window, allowing more compact and convenient browsing Additional functionality is provided for the user the put in notations and bookmarks all in one single browser window This all takes place without the use of frames
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.