Serial Number
74297720
Owner
HANNA INSTRUMENTS, INC.First Use Date
Oct 1, 1991
Filing Date
Jul 27, 1992
CHECKER Trademark
Serial Number: 74297720 • Registration: 1758139
Trademark Classes
Owner Contact Info
Trademark Details
Filing Date
July 27, 1992
Registration Date
March 16, 1993
First Use Anywhere
October 1, 1991
First Use in Commerce
October 1, 1991
Published for Opposition
December 22, 1992
Cancellation Date
February 12, 2016
Goods & Services
handheld pH meter