![](/us.svg)
Trademark: 74087184
Status Date
Tuesday, June 2, 1998
Registration Number
1665586
Registration Date
Tuesday, November 26, 1991
Filing Date
Monday, August 13, 1990
Published for Opposition
Tuesday, September 3, 1991
Cancellation Date
Tuesday, June 2, 1998
1 catalysts for use in purifying gases, including air, by catalytically converting impurities in the gases
Jun 2, 1998
Cancelled Sec. 8 (6-Yr)
Nov 26, 1991
Registered-Principal Register
Sep 3, 1991
Published For Opposition
Aug 2, 1991
Notice Of Publication
Apr 4, 1991
Approved For Pub - Principal Register
Feb 4, 1991
Correspondence Received In Law Office
Jan 14, 1991
Non-Final Action Mailed
Dec 13, 1990
Assigned To Examiner
Trademark Alertz updated from USPTO on 2030-01-24