Serial Number
73263162
Owner
BLOCK AND COMPANY INC.Attorney
Lettvin and GerenFirst Use Date
Apr 29, 1980
Filing Date
May 22, 1980
DUPLI-KEY Trademark
Serial Number: 73263162 • Registration: 1228134
Trademark Classes
Owner Contact Info
Legal Representation
Attorney of Record
Lettvin and GerenCorrespondence Address
NORMAN LETTVIN EPTON, MULLIN, SEGAL & DRUTH
140 S DEARBORN ST
CHICAGO
IL 60603
UNITED STATES
Trademark Details
Filing Date
May 22, 1980
Registration Date
February 22, 1983
First Use Anywhere
April 29, 1980
First Use in Commerce
May 6, 1980
Published for Opposition
November 30, 1982
Cancellation Date
July 18, 1989
Filing History
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