on 11 Apr 1986
Last Applicant/ Owned by
DELTA ENGINEERING CORPORATION
7400 HarwinHouston, Texas 77036
US
Serial Number
449871 filed on 8th Feb 1980
Trademark usage description
process systems employing membranes for gas separation.CIPO Classification Code
Nice
449871
Trademark
Action Taken | Status |
---|---|
Submitted for opposition 17 on 11th Apr 1986 | Abandoned |
Submitted for opposition 50 on 8th Aug 1980 | Allowed |
Submitted for opposition 42 on 18th Jun 1980 | Advertised |
Submitted for opposition 30 on 8th Feb 1980 | Filed |