Serial Number
73637419
Owner
KNOWLEDGE SYSTEMS INCORPORATEDAttorney
WILLIAM H. LOGSDONFirst Use Date
Dec 12, 1986
Filing Date
Dec 29, 1986
KNOWLEDGE SYSTEMS Trademark
Serial Number: 73637419 • Registration: 1485667
Trademark Classes
Owner Contact Info
Legal Representation
Correspondence Address
WILLIAM H LOGSDON WEBB, BURDEN, ZIESENHEIM & WEBB
700 KOPPER BLDG
436 SEVENTH AVE
PITTSBURGH
PA 15219-1818
Trademark Details
Filing Date
December 29, 1986
Registration Date
April 19, 1988
First Use Anywhere
December 12, 1986
First Use in Commerce
December 12, 1986
Published for Opposition
October 27, 1987
Cancellation Date
January 24, 2009