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Canada

C$
DELSEP
ABANDONED

on 11 Apr 1986

Last Applicant/ Owned by

DELTA ENGINEERING CORPORATION

7400 HarwinHouston, Texas 77036

US

Serial Number

449871 filed on 8th Feb 1980

DELSEP

Trademark usage description

process systems employing membranes for gas separation.

Classification Information


Class [011]
Environmental control items


Comment text

CIPO Classification Code

Classification kind code

Nice

Mark Details


Serial Number

449871

Mark Type

Trademark

Legal History


Action TakenStatus
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