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MULTI RATE CONVOLUTION

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MULTI RATE CONVOLUTION
EXPUNGED

on 31 Dec 1969

Last Applicant/ Owned by

DIAGNOSTIC ENGINEERING INC.

560 SOUTHLAND PLAZA,10201 SOUTHPORT ROAD S.W.,CALGARY,

ALBERTA

CA

T2W4X9

Serial Number

669009 filed on 16th Oct 1990

Registration Number

TMA394514 registered on 21st Feb 1992

Registration expiry Date

21st Feb 2007

MULTI RATE CONVOLUTION

Trademark usage description

automatic acoustic buildup testing of oil pumping wells, gas well buildup testing, and oil and gas well pressure transient analysis.

Classification Information

Class [042]
Computer and scientific

Comment text

CIPO Classification Code

Classification kind code

Nice

Mark Details

Serial Number

669009

Mark Type

Trademark

Legal History

Action TakenStatus
Submitted for opposition 75
on 11th Oct 2007		Automatic Expungement - Failure to renew
Submitted for opposition 60
on 14th Mar 2007		Renewal Notice Sent
Submitted for opposition 55
on 21st Feb 1992		Registered
Submitted for opposition 51
on 16th Aug 1991		Allowance Notice Sent
Submitted for opposition 50
on 16th Aug 1991		Allowed
Submitted for opposition 42
on 19th Jun 1991		Advertised
Submitted for opposition 22
on 19th Feb 1991		Search Recorded
Submitted for opposition 30
on 16th Oct 1990		Filed