LEFKO
DEAD
Serial Number
72299778
Owner
LEFFINGWELL CHEMICAL COMPANYFirst Use Date
Nov 19, 1959
Filing Date
Jun 5, 1968
LEFKO Trademark
Serial Number: 72299778 • Registration: 0876831
LEFKO is a trademark filed by
LEFFINGWELL CHEMICAL COMPANY
on June 5, 1968. The trademark is classified under Class 1 (Chemicals).
The application is currently no longer active.
Trademark Classes
Owner Contact Info
Trademark Details
Filing Date
June 5, 1968
Registration Date
September 16, 1969
First Use Anywhere
November 19, 1959
First Use in Commerce
November 19, 1959
Filing History
EXPIRED SEC. 9
Nov 3, 1992 EXRG
EXPIRED SEC. 9
Nov 3, 1992 EXRG
