![](/us.svg)
Trademark: 74109478
Status Date
Wednesday, November 20, 1991
Filing Date
Friday, October 26, 1990
Abandoned Date
Friday, September 6, 1991
1 suspension of silica which is a component of a kit used to purify ribonucleic acid for scientific research purposes
Nov 20, 1991
Abandonment - Failure To Respond Or Late Response
Nov 19, 1991
Assigned To Examiner
Mar 5, 1991
Non-Final Action Mailed
Feb 6, 1991
Assigned To Examiner
Trademark Alertz updated from USPTO on 2030-01-24