CHANNELBLOCK

View On IC.GC.CA

EXPUNGED

on 25 Jul 2019

Last Applicant/ Owned by

DOWELL SCHLUMBERGER INCORPORATED (A DELAWARE CORPORATION)

400 West Belt SouthHouston, Texas

Serial Number

349517 filed on 17^th Jan 1972

Registration Number

TMA196137 registered on 14^th Dec 1973

Registration expiry Date

14^th Dec 2018

Correspondent Address

GOWLING WLG (CANADA) LLP

SUITE 16001 FIRST CANADIAN PLACE100 KING STREET WESTTORONTO

ONTARIO

M5X1G5

CHANNELBLOCK

Trademark usage description

chemicals and polymers which in combination are useful for controlling aqueous flow in wells and subterranean formations surrounding wells.

Classification Information

CIPO Classification Code

Nice

349517

Trademark

Action Taken	Status
Submitted for opposition 62 on 25^th Jul 2019	Expunged - Failure to Renew
Submitted for opposition 60 on 2^th Jan 2019	Renewal Notice Sent
Submitted for opposition 174 on 16^th Aug 2017	Nice Classification Courtesy Letter Sent
Submitted for opposition 68 on 25^th Feb 2016	Rep for Service Name Changed
Submitted for opposition 61 on 14^th Dec 2003	Renewed
Submitted for opposition 68 on 4^th Jul 2000	Rep for Service Name Changed
Submitted for opposition 61 on 14^th Dec 1988	Renewed
Submitted for opposition 55 on 14^th Dec 1973	Registered
Submitted for opposition 30 on 17^th Jan 1972	Filed