Trademark Overview
On Thursday, October 19, 2000, a trademark application was filed for DEVICE TONE with the United States Patent and Trademark Office. The USPTO has given the DEVICE TONE trademark a serial number of 76152050. The federal status of this trademark filing is ABANDONED - FAILURE TO RESPOND OR LATE RESPONSE as of Monday, December 31, 2001. This trademark is owned by Echelon Corporation. The DEVICE TONE trademark is filed in the Communication Services category with the following description:
computer networking hardware; communications services; providing access to a global computer network