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Trademark: 73739105
Status Date
Monday, March 4, 1991
Filing Date
Monday, July 11, 1988
Abandoned Date
Monday, January 28, 1991
42 MEASURING DOWNHOLE VIBRATION OF A DRILLSTRING WHILE DRILLING A WELL
Mar 4, 1991
Abandonment - Failure To Respond Or Late Response
Jul 26, 1990
Final Refusal Mailed
May 3, 1990
Unresponsive/Duplicate Paper Received
Feb 21, 1990
Letter Of Suspension Mailed
Feb 5, 1990
Correspondence Received In Law Office
Dec 26, 1989
Correspondence Received In Law Office
Jun 21, 1989
Non-Final Action Mailed
Oct 8, 1988
Non-Final Action Mailed
Sep 1, 1988
Assigned To Examiner
Trademark Alertz updated from USPTO on 2030-01-24