DUO-PAK
DEAD

Serial Number

72151705

Owner

FRED H. SCHAUB ENGINEERING CO.

First Use Date

Jun 23, 1961

Filing Date

Aug 20, 1962

Add to watchlist:

No watchlists yet
View on USPTO

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 The application is currently no longer active.

Owner Contact Info

FRED H. SCHAUB ENGINEERING CO. (5 trademarks)

CHICAGO, IL

Entity Type: 03

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