DUO-PAK
DEAD
Serial Number
72151705
Owner
FRED H. SCHAUB ENGINEERING CO.First Use Date
Jun 23, 1961
Filing Date
Aug 20, 1962
DUO-PAK Trademark
Serial Number: 72151705 • Registration: 0758391
DUO-PAK is a trademark filed by
FRED H. SCHAUB ENGINEERING CO.
on August 20, 1962. The trademark is classified under Class 7 (Machinery).
The application is currently no longer active.
Trademark Classes
Owner Contact Info
Trademark Details
Filing Date
August 20, 1962
Registration Date
October 15, 1963
First Use Anywhere
June 23, 1961
First Use in Commerce
June 23, 1961
Goods & Services
COMBINED SURGE AND DEAERATOR APPARATUS FOR BOILER FEED WATER SYSTEMS
Filing History
EXPIRED SEC. 9
Jan 15, 1984 EXRG