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Current content: 159 679 824 patent documents

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164 112 new documents added

576 445 documents amended

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EP 0536247 B1 19960828 - MANHOLE COVER

Title (en)

MANHOLE COVER

Title (de)

SCHACHTABDECKUNG

Title (fr)

COUVERCLE DE TROU D'HOMME

Publication

EP 0536247 B1 19960828 (EN)

Application

EP 91912278 A 19910626

Priority

GB 9101037 W 19910626
GB 9014161 A 19900626

Abstract (en)

[origin: WO9200426A1] A manhole cover has a projection (22) which engages a floor when the cover is removed from its frame and placed on the floor, a sealing face (21) of the cover thereby being maintained clear of the floor.

IPC 1-7

E02D 29/14

IPC 8 full level

E02D 29/14 (2006.01)

CPC (source: EP)

E02D 29/14 (2013.01)

Designated contracting state (EPC)

DE ES FR GB IT

DOCDB simple family (publication)

WO 9200426 A1 19920109; AU 8059491 A 19920123; DE 69121716 D1 19961002; DE 69121716 T2 19970417; EP 0536247 A1 19930414; EP 0536247 B1 19960828; ES 2096654 T3 19970316; GB 2245627 A 19920108; GB 2245627 B 19940323; GB 9014161 D0 19900815

DOCDB simple family (application)

GB 9101037 W 19910626; AU 8059491 A 19910626; DE 69121716 T 19910626; EP 91912278 A 19910626; ES 91912278 T 19910626; GB 9014161 A 19900626