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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 2177668 A2 20100421 - Manhole shaft

Title (en)

Manhole shaft

Title (de)

Einstiegsluke

Title (fr)

Regard de chaussee

Publication

EP 2177668 A2 20100421 (EN)

Application

EP 09173064 A 20091014

Priority

IT RA20080029 U 20081015

Abstract (en)

A well for underground infrastructures comprising a substantially annular hollow body (10) delimiting laterally a respective space (5), and a closing device (20) carried by the body (10) and suitable to delimit superiorly the space (5); the body (10) being produced substantially in metal so as to present high breaking load but reduced weight.

IPC 8 full level

E02D 29/12 (2006.01)

CPC (source: EP)

E02D 29/12 (2013.01); E02D 29/121 (2013.01); E02D 29/124 (2013.01)

Citation (applicant)

WO 2005056930 A1 20050623 - LUNT JOHN [GB]
WO 2008141370 A1 20081127 - ACO POLYCRETE PTY LTD [AU], et al

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

Designated extension state (EPC)

AL BA RS

DOCDB simple family (publication)

EP 2177668 A2 20100421; EP 2177668 A3 20101201; IT RA20080029 U1 20100416

DOCDB simple family (application)

EP 09173064 A 20091014; IT RA20080029 U 20081015