Serial Number
74448696
Owner
Master Creative Teaching Associates, Inc.First Use Date
Jul 6, 1990
Filing Date
Oct 19, 1993
GRAMSTACKERS Trademark
Serial Number: 74448696 • Registration: 1851385
Trademark Classes
Owner Contact Info
P.O.Box 7766
Fresno, CA 93747
Entity Type: 03
Trademark Details
Filing Date
October 19, 1993
Registration Date
August 30, 1994
First Use Anywhere
July 6, 1990
First Use in Commerce
July 6, 1990
Published for Opposition
June 7, 1994
Cancellation Date
February 26, 2016
Goods & Services
interlocking block apparatus which allows for the stacking of units weighing 1, 5, 10, 20, and 50 grams respectively, used to teach about metric weight units and principles of physics
