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: 159 823 134 patent documents

This week's update (15/11/2024 12:00 CET):

143 307 new documents added

1 003 170 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 0257235 A3 19890719 - VENTRAL MINE

Title (en)

VENTRAL MINE

Publication

EP 0257235 A3 19890719 (EN)

Application

EP 87109246 A 19870626

Priority

IT 5358886 U 19860701

Abstract (en)

[origin: EP0257235A2] The mine (1) comprises a main charge (2) and an auxiliary charge (3) for removing the cover, enclosed within separate chambers (20, 19) of a container body (10) sealed from one another.

IPC 1-7

F42B 23/02; F42B 23/04

IPC 8 full level

F42B 23/00 (2006.01)

CPC (source: EP)

F42B 23/00 (2013.01)

Citation (search report)

AT 146782 B 19360810 - ELEKTRISK BUREAU AS
EP 0157902 A2 19851016 - DYNAMIT NOBEL AG [DE]
US 3216354 A 19651109 - BEARCE MARSHALL P

Designated contracting state (EPC)

AT BE DE ES FR GB GR SE

DOCDB simple family (publication)

EP 0257235 A2 19880302; EP 0257235 A3 19890719; IT 208023 Z2 19880331; IT 8653588 V0 19860701

DOCDB simple family (application)

EP 87109246 A 19870626; IT 5358886 U 19860701