GPI coverage and content

You can use Global Patent Index (GPI) to carry out detailed searches in the EPO's worldwide bibliographic (DOCDB), legal event (INPADOC) and full-text data sets, and download or visualise the search results for statistical analysis.

Current content: 159 515 718 patent documents

This week's update (01/11/2024 12:00 CET):

154 531 new documents added

1 078 520 documents amended

GPI key values

Run regular monitoring (e.g. monthly or quarterly) of technical areas or companies

Use built-in charts to visualise technical trends and patenting activity of companies

Choose the data you want to see and download to focus on what you are interested in

Run data quality assessments to measure the risk of incomplete search results

EP 0143907 A3 19850717 -

Publication

EP 0143907 A3 19850717

Application

EP 84110221 A 19840828

Priority

DE 3339087 A 19831028

Abstract (en)

[origin: EP0143907A2] In order to produce a construction with a building member of cement-like material possessing a stressed reinforcement so as to be corrosion-proof and maintenance-free, easily mountable and mechanically highly loadable and with a ratio of cross-section and stability as favourable as possible, the building member is extruded from an asbestos cement mixture or a substitute for this material with the required longitudinal grooves and elongated holes and an otherwise smooth surface.

IPC 1-7

E04H 17/10; E04H 17/20

IPC 8 full level

E04H 17/06 (2006.01); E04H 17/20 (2006.01)

CPC (source: EP US)

E04H 17/06 (2013.01 - EP US); E04H 17/20 (2013.01 - EP US)

Citation (search report)

[A] DE 2732003 A1 19790201 - BRAMSIEPE ROBERT
[A] US 3451657 A 19690624 - ROBERTS CLIFFORD L
[A] GB 1376126 A 19741204 - BRITISH STEEL CORP

Designated contracting state (EPC)

BE CH GB IT LI LU NL

DOCDB simple family (publication)

EP 0143907 A2 19850612; EP 0143907 A3 19850717; DE 3339087 A1 19850627

DOCDB simple family (application)

EP 84110221 A 19840828; DE 3339087 A 19831028