Serial Number
74226728
Owner
AMGEN INC.Attorney
Norman H. ZivinFirst Use Date
Mar 17, 1992
Filing Date
Dec 2, 1991
HELIX Trademark
Serial Number: 74226728 • Registration: 1753231
Trademark Classes
Owner Contact Info
Legal Representation
Correspondence Address
NORMAN H ZIVIN COOPER & DUNHAM
1185 AVE OF THE AMERICAS
NEW YORK
NY 10036
UNITED STATES
Trademark Details
Filing Date
December 2, 1991
Registration Date
February 16, 1993
First Use Anywhere
March 17, 1992
First Use in Commerce
March 17, 1992
Published for Opposition
June 23, 1992
Cancellation Date
August 23, 1999