![](/us.svg)
Trademark: 74015015
Status Date
Friday, July 17, 1992
Filing Date
Thursday, December 28, 1989
Abandoned Date
Thursday, May 21, 1992
9 Multiplexor for processing data and voice information
Jul 17, 1992
Abandonment - Failure To Respond Or Late Response
Nov 20, 1991
Final Refusal Mailed
Sep 16, 1991
Correspondence Received In Law Office
Mar 11, 1991
Final Refusal Mailed
Nov 13, 1990
Correspondence Received In Law Office
May 14, 1990
Non-Final Action Mailed
Apr 7, 1990
Assigned To Examiner
Trademark Alertz updated from USPTO on 2030-01-24