EE02988B1 - Multilayer material - Google Patents

Multilayer material

Info

Publication number: EE02988B1
Authority: EE; Estonia
Prior art keywords: multilayer material; multilayer
Prior art date: 1990-11-27

Application number

EE9400324A

Other languages

Estonian (et)

Inventor

Antes Gregor

Minnetian Ohannes

Original Assignee

Landis & Gyr Technology Innovation Ag

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.)

1990-11-27

Filing date

1994-11-18

Publication date

1997-04-15

1990-11-27 Priority claimed from US07/618,707 external-priority patent/US5104471A/en

1994-11-18 Application filed by Landis & Gyr Technology Innovation Ag filed Critical Landis & Gyr Technology Innovation Ag

1997-04-15 Publication of EE02988B1 publication Critical patent/EE02988B1/en

Links

EE9400324A 1990-11-27 1994-11-18 Multilayer material EE02988B1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US07/618,707 US5104471A (en)	1989-06-05	1990-11-27	Interlaminar sandwich with diffraction structure

Publications (1)

Publication Number	Publication Date
EE02988B1 true EE02988B1 (en)	1997-04-15

Family

ID=24478812

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EE9400324A EE02988B1 (en)	1990-11-27	1994-11-18	Multilayer material

Country Status (1)

Country	Link
EE (1)	EE02988B1 (en)

1994
- 1994-11-18 EE EE9400324A patent/EE02988B1/en not_active IP Right Cessation

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Legal Events

Date	Code	Title	Description
2003-02-17	KB4A	Valid patent at the end of a year	Effective date: 20021231
2004-02-16	KB4A	Valid patent at the end of a year	Effective date: 20031231
2005-02-15	KB4A	Valid patent at the end of a year	Effective date: 20041231
2006-02-15	KB4A	Valid patent at the end of a year	Effective date: 20051231
2007-02-15	KB4A	Valid patent at the end of a year	Effective date: 20061231
2008-02-15	KB4A	Valid patent at the end of a year	Effective date: 20071231
2009-02-16	KB4A	Valid patent at the end of a year	Effective date: 20081231
2009-08-17	MM4A	Lapsed by not paying the annual fees	Effective date: 20081118