KNOWLEDGEDOOR Trademark
Serial Number: 78101480 • Registration: 2919702
Trademark Classes
Owner Contact Info
Trademark Details
Filing Date
January 8, 2002
Registration Date
January 18, 2005
First Use Anywhere
August 16, 2004
First Use in Commerce
August 16, 2004
Published for Opposition
September 17, 2002
Cancellation Date
August 21, 2015
Goods & Services
Educational services, namely, conducting online exhibitions and displays and interactive exhibits in the field of mathematics; educational services, namely, conducting online exhibitions and displays and interactive exhibits in the field of physics