SENTINEL
DEAD
Serial Number
71320383
Owner
UNITED AIR CLEANER CORPORATIONFirst Use Date
Sep 1, 1928
Filing Date
Oct 23, 1931
SENTINEL Trademark
Serial Number: 71320383 • Registration: 0292631
SENTINEL is a trademark filed by
UNITED AIR CLEANER CORPORATION
on October 23, 1931. 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The application is currently no longer active.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 23, 1931
Registration Date
March 22, 1932
First Use Anywhere
September 1, 1928
First Use in Commerce
September 1, 1928
Filing History
EXPIRED SEC. 9
Dec 28, 1992 EXRG
EXPIRED SEC. 9
Dec 28, 1992 EXRG
EXPIRED SEC. 9
Dec 28, 1992 EXRG
REGISTERED AND RENEWED (SECOND RENEWAL - 20 YRS)
Mar 22, 1972 REN2
REGISTERED AND RENEWED (SECOND RENEWAL - 20 YRS)
Mar 22, 1972 REN2
REGISTERED AND RENEWED (SECOND RENEWAL - 20 YRS)
Mar 22, 1972 REN2
