SF Trademark
Serial Number: 73193937 • Registration: 1140676
SF is a trademark filed by
Summa Four, Incorporated
on November 20, 1978. 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The application is currently no longer active.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
November 20, 1978
Registration Date
October 21, 1980
First Use in Commerce
October 16, 1978
Published for Opposition
April 29, 1980
Cancellation Date
October 27, 2001
Filing History
CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9
Oct 27, 2001 CAEX
CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9
Oct 27, 2001 CAEX
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
Jul 7, 1986 C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
Jul 7, 1986 C15A
REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED
Mar 24, 1986 815F
REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED
Mar 24, 1986 815F
REGISTERED-PRINCIPAL REGISTER
Oct 21, 1980 R.PR
REGISTERED-PRINCIPAL REGISTER
Oct 21, 1980 R.PR
