Serial Number
72138234
Owner
SCIENCE RESEARCH ASSOCIATES, INC.First Use Date
Mar 24, 1961
Filing Date
Feb 19, 1962
MATH DISCOVERY BOARD Trademark
Serial Number: 72138234 • Registration: 0782600
Trademark Classes
Owner Contact Info
Trademark Details
Filing Date
February 19, 1962
Registration Date
December 29, 1964
First Use Anywhere
March 24, 1961
First Use in Commerce
March 24, 1961
Goods & Services
SETS OF PRINTED MATERIALS FOR CLASSROOM TEACHING AND SELF-IMPROVEMENT IN ELEMENTARY MATHEMATICS, INCLUDING TEACHING MANUALS AND A BOARD AND NUMBER STRIPS OF UNIT LENGTH FOR DISPOSITION THEREON