D-O
DEAD
Serial Number
72011236
Owner
DORR-OLIVER INCORPORATEDFirst Use Date
May 23, 1956
Filing Date
Jun 29, 1956
D-O Trademark
Serial Number: 72011236 • Registration: 0644166
D-O is a trademark filed by
DORR-OLIVER INCORPORATED
on June 29, 1956. The trademark is classified under Class 7 (Machinery).
The application is currently no longer active.
Trademark Classes
Owner Contact Info
Trademark Details
Filing Date
June 29, 1956
Registration Date
April 16, 1957
First Use Anywhere
May 23, 1956
First Use in Commerce
May 23, 1956
Goods & Services
APPARATUS FOR DISPERSING GASE INTO LIQUIDS
Filing History
EXPIRED SEC. 9
Jan 20, 1998 EXRG
REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS)
Apr 16, 1977 REN1
