Global Patent Index - EP 0790458 B1

EP 0790458 B1 2002-11-13 - Signal light comprising rows of optical elements and opaque or semiopaque stripes

Title (en)

Signal light comprising rows of optical elements and opaque or semiopaque stripes

Title (de)

Signalleuchte mit Reihen von optischen Elementen und mit lichtdurchlässigen bzw. teilweise lichtdurchlässigen Streifen

Title (fr)

Feu de signalisation comportant des rangées d'éléments optiques et des bandes opaques ou semi-opaques

Publication

EP 0790458 B1 (FR)

Application

EP 97400326 A

Priority

FR 9601940 A

Abstract (en)

[origin: EP0790458A1] The indicator light comprises a light source such as a filament lamp with a flux recovery element and a cover plate (40). Beneath the lamp and the cover plate there is an intermediate screen (30). The intermediate screen has on its external face a set of opaque and semi-opaque bands (31) of regular step size. The cover plate includes a set of parallel rows of optical lens elements (41), extending parallel to the opaque and semi-opaque bands on the intermediate plate. These lens elements may be convex, with cylindrical or spherical sections. The ratio of the step size of the opaque bands (P1) and that of the lens elements (P3) is not an integer number, but is preferably in the range 1.02 - 1.15.

IPC 1-7 (main, further and additional classification)

F21S 8/10

IPC 8 full level (invention and additional information)

F21V 9/08 (2006.01)

CPC (invention and additional information)

F21S 48/2218 (2013.01)

Designated contracting state (EPC)

DE ES GB IT

EPO simple patent family

EP 0790458 A1 19970820; EP 0790458 B1 20021113; DE 69716978 D1 20021219; DE 69716978 T2 20030828; ES 2186849 T3 20030516; FR 2745062 A1 19970822; FR 2745062 B1 19980507

INPADOC legal status


2017-08-31 [PG25 ES] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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2008-10-29 [GBPC] GB: EUROPEAN PATENT CEASED THROUGH NON-PAYMENT OF RENEWAL FEE

- Effective date: 20080213

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2003-11-05 [26N] NO OPPOSITION FILED

- Effective date: 20030814

2003-05-16 [REG ES FG2A] DEFINITIVE PROTECTION

- Document: ES 2186849 T3

2003-03-05 [GBT] GB: TRANSLATION OF EP PATENT FILED (GB SECTION 77(6)(A)/1977)

- Effective date: 20030212

2002-12-19 [REF] CORRESPONDS TO:

- Document: DE 69716978 20021219

2002-11-13 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: B1

- Designated State(s): DE ES GB IT

2002-11-13 [REG GB FG4D] EUROPEAN PATENT GRANTED

- Free text: NOT ENGLISH

2002-11-13 [RIC1] CLASSIFICATION (CORRECTION)

- Free text: 7F 21S 8/10 A

2001-01-31 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20001213

1998-03-25 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19980126

1997-08-20 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE ES GB IT