DUO-DX Trademark
Serial Number: 76374692 • Registration: 2835092
Trademark Classes
Owner Contact Info
Trademark Details
Filing Date
February 25, 2002
Registration Date
April 20, 2004
First Use Anywhere
April 1, 2002
First Use in Commerce
April 1, 2002
Published for Opposition
April 8, 2003
Cancellation Date
November 26, 2010
Goods & Services
Electronic device, namely a portable, digital, audio player that stores and plays back computer files containing music or spoken word audio content, using a microprocessor and a digital signal processor, in the form factor and functionality of an audio cassette