DUPLEX
DEAD
Serial Number
71031871
Owner
KEUFFEL & ESSER COMPANYFirst Use Date
May 15, 1893
Filing Date
Dec 21, 1907
DUPLEX Trademark
Serial Number: 71031871 • Registration: 0068651
DUPLEX is a trademark filed by
KEUFFEL & ESSER COMPANY
on December 21, 1907. 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The application is currently no longer active.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
December 21, 1907
Registration Date
April 21, 1908
First Use Anywhere
May 15, 1893
First Use in Commerce
May 15, 1893
Filing History
EXPIRED SEC. 9
Nov 3, 1992 EXRG
EXPIRED SEC. 9
Nov 3, 1992 EXRG
EXPIRED SEC. 9
Nov 3, 1992 EXRG
EXPIRED SEC. 9
Nov 3, 1992 EXRG
REGISTERED AND RENEWED (THIRD RENEWAL - 20 YRS)
Apr 21, 1968 REN3
REGISTERED AND RENEWED (THIRD RENEWAL - 20 YRS)
Apr 21, 1968 REN3
REGISTERED AND RENEWED (THIRD RENEWAL - 20 YRS)
Apr 21, 1968 REN3
REGISTERED AND RENEWED (THIRD RENEWAL - 20 YRS)
Apr 21, 1968 REN3
