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DUOFRAC

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DUOFRAC
REGISTERED

Last Applicant/ Owned by

SCHLUMBERGER TECHNOLOGY CORPORATION ( A TEXAS CORPORATION)

150 GILLINGHAM LANESUGAR LAND, TEXAS 77478

US

Serial Number

299662 filed on 17th Sept 1966

Registration Number

TMA151424 registered on 16th Jun 1967

Registration expiry Date

16th Jun 2027

Correspondent Address

GOWLING WLG (CANADA) LLP

SUITE 16001 FIRST CANADIAN PLACE100 KING STREET WESTTORONTO

ONTARIO

CA

M5X1G5

DUOFRAC

Trademark usage description

well treating service--namely, hydraulic fracturing and acidizing, with or without a propping agent. chemical additives for acid compositions useful Read More

Classification Information

Class [001]
Chemicals and adhesives

Comment text

CIPO Classification Code

Classification kind code

Nice

Class [040]
Treatment of materials

Comment text

CIPO Classification Code

Classification kind code

Nice

Mark Details

Serial Number

299662

Mark Type

Trademark

Legal History

Action TakenStatus
Submitted for opposition 68
on 25th Feb 2016		Rep for Service Name Changed
Submitted for opposition 60
on 4th Jul 2012		Renewal Notice Sent
Submitted for opposition 61
on 16th Jun 2012		Renewed
Submitted for opposition 68
on 4th Jul 2000		Rep for Service Name Changed
Submitted for opposition 61
on 16th Jun 1997		Renewed
Submitted for opposition 80
on 22nd Apr 1997		Change of Title Registered
Submitted for opposition 61
on 16th Jun 1982		Renewed
Submitted for opposition 55
on 16th Jun 1967		Registered
Submitted for opposition 30
on 17th Sept 1966		Filed