TK-50 Trademark
Serial Number: 73103566 • Registration: 1065639
TK-50 is a trademark filed by
Merck & Co., Inc.
on October 18, 1976. The trademark is classified under Class 5 (Pharmaceuticals).
The application is currently no longer active.
Trademark Classes
Owner Contact Info
Trademark Details
Filing Date
October 18, 1976
Registration Date
May 17, 1977
First Use Anywhere
March 15, 1976
First Use in Commerce
March 15, 1976
Filing History
EXPIRED SEC. 9
Feb 17, 1998 EXRG
EXPIRED SEC. 9
Feb 17, 1998 EXRG
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
Aug 2, 1982 C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
Aug 2, 1982 C15A