DUOVAL
DEAD
Serial Number
72372019
Owner
GENERAL FILTER COMPANYFirst Use Date
Sep 4, 1970
Filing Date
Sep 29, 1970
DUOVAL Trademark
Serial Number: 72372019 • Registration: 0933560
DUOVAL is a trademark filed by
GENERAL FILTER COMPANY
on September 29, 1970. The trademark is classified under Class 11 (Environmental Control).
The application is currently no longer active.
Trademark Classes
Owner Contact Info
Trademark Details
Filing Date
September 29, 1970
Registration Date
May 9, 1972
First Use Anywhere
September 4, 1970
First Use in Commerce
September 4, 1970
Filing History
EXPIRED SEC. 9
Feb 15, 1993 EXRG
EXPIRED SEC. 9
Feb 15, 1993 EXRG
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
Jul 5, 1977 C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
Jul 5, 1977 C15A
