Serial Number
73305071
Owner
AMERSHAM BIOSCIENCES ABFirst Use Date
Jan 15, 1981
Filing Date
Apr 9, 1981
POLYBUFFER Trademark
Serial Number: 73305071 • Registration: 1228007
Trademark Classes
Owner Contact Info
Trademark Details
Filing Date
April 9, 1981
Registration Date
February 22, 1983
First Use Anywhere
January 15, 1981
First Use in Commerce
January 15, 1981
Published for Opposition
November 30, 1982
Cancellation Date
March 18, 2016