DE69214944D1 - Double-walled leak detection system for a pipe - Google Patents

Double-walled leak detection system for a pipe

Info

Publication number: DE69214944D1
Authority: DE; Germany
Prior art keywords: walled; double; pipe; detection system; leak detection
Prior art date: 1992-07-28
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Fee Related

Application number

DE69214944T

Other languages

German (de)

Other versions

DE69214944T2 (en

Inventor

F Thomas Driver

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

INA Acquisition Corp

Original Assignee

Insituform of North America Inc

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1992-07-28

Filing date

1992-07-28

Publication date

1996-12-05

1992-07-28 Application filed by Insituform of North America Inc filed Critical Insituform of North America Inc

1992-07-28 Priority claimed from EP92306855A external-priority patent/EP0580903B1/en

1996-12-05 Publication of DE69214944D1 publication Critical patent/DE69214944D1/en

1997-05-28 Application granted granted Critical

1997-05-28 Publication of DE69214944T2 publication Critical patent/DE69214944T2/en

2012-07-29 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

DE1992614944 1992-07-28 1992-07-28 Double-walled leak detection system for a pipe Expired - Fee Related DE69214944T2 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP92306855A EP0580903B1 (en)	1989-07-03	1992-07-28	Two-wall leakage detection system for a pipe

Publications (2)

Publication Number	Publication Date
DE69214944D1 true DE69214944D1 (en)	1996-12-05
DE69214944T2 DE69214944T2 (en)	1997-05-28

Family

ID=8211448

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE1992614944 Expired - Fee Related DE69214944T2 (en)	1992-07-28	1992-07-28	Double-walled leak detection system for a pipe

Country Status (3)

Country	Link
AT (1)	ATE144833T1 (en)
DE (1)	DE69214944T2 (en)
HK (1)	HK24697A (en)

1992
- 1992-07-28 AT AT92306855T patent/ATE144833T1/en not_active IP Right Cessation
- 1992-07-28 DE DE1992614944 patent/DE69214944T2/en not_active Expired - Fee Related
1997
- 1997-02-27 HK HK24697A patent/HK24697A/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
HK24697A (en)	1997-02-27
DE69214944T2 (en)	1997-05-28
ATE144833T1 (en)	1996-11-15

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Legal Events

Date	Code	Title	Description
1997-01-30	8327	Change in the person/name/address of the patent owner	Owner name: INA ACQUISITION CORP., MEMPHIS, TENN., US
1997-11-27	8364	No opposition during term of opposition
1999-09-09	8339	Ceased/non-payment of the annual fee