DUO-VAC
DEAD
Serial Number
73004466
Owner
General Signal Appliance CorporationFirst Use Date
Jul 17, 1973
Filing Date
Oct 24, 1973
DUO-VAC Trademark
Serial Number: 73004466 • Registration: 1029203
DUO-VAC is a trademark filed by
General Signal Appliance Corporation
on October 24, 1973. The trademark is classified under Class 9 (Computers & Electronics).
The application is currently no longer active.
Trademark Classes
Owner Contact Info
Trademark Details
Filing Date
October 24, 1973
Registration Date
January 6, 1976
First Use Anywhere
July 17, 1973
First Use in Commerce
July 17, 1973
Filing History
EXPIRED SEC. 9
Oct 14, 1996 EXRG
EXPIRED SEC. 9
Oct 14, 1996 EXRG