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Current content: 157 484 516 patent documents

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147 225 new documents added

921 612 documents amended

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EP 0262844 A3 19890712 - SIGNALLING DEVICE

Title (en)

SIGNALLING DEVICE

Publication

EP 0262844 A3 19890712 (EN)

Application

EP 87308293 A 19870918

Priority

AU 816286 A 19860924

Abstract (en)

[origin: EP0262844A2] An impact detonated signalling device for use in railway track signalling. The signalling device is suitable for attachment to ferrous railway track and adapted to be detonated upon impact. The signalling device includes an active material (14) adapted for detonation upon being impacted, at least one magnetic element (15) for attachment to the track and means (10) for securing the magnetic element (15) to the active material (14).

IPC 1-7

B61L 5/20

IPC 8 full level

B61L 5/20 (2006.01)

CPC (source: EP)

B61L 5/203 (2013.01)

Citation (search report)

[Y] FR 2205435 A1 19740531 - CANADIAN IND [CA]
[Y] FR 2406605 A1 19790518 - BANET RIVET PIERRE [FR]
[Y] US 1388068 A 19210816 - SCHOOLEY EDWARD A, et al
[A] DE 959980 C 19570314 - CARL BRANDMAYER, et al

Designated contracting state (EPC)

AT BE CH DE ES FR GB GR IT LI LU NL SE

DOCDB simple family (publication)

EP 0262844 A2 19880406; EP 0262844 A3 19890712

DOCDB simple family (application)

EP 87308293 A 19870918