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: 157 337 350 patent documents

This week's update (19/07/2024 12:00 CET):

219 431 new documents added

1 247 852 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 1643204 A2 20060405 - Choke for rifle barrels

Title (en)

Choke for rifle barrels

Title (de)

Choke-Aufsatz für Gewehrläufe

Title (fr)

Etranglement pour canons de carabine

Publication

EP 1643204 A2 20060405 (EN)

Application

EP 05108586 A 20050919

Priority

IT MI20041805 A 20040921

Abstract (en)

Choke (2) for rifle barrels (3) comprising a cylindrical body that can be associated inside said barrel, having a first conical portion (21) that has a concave curvilinear profile (22) with respect to a longitudinal axis (X) of said barrel.

IPC 8 full level

F41A 21/40 (2006.01)

CPC (source: EP)

F41A 21/40 (2013.01)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1643204 A2 20060405; EP 1643204 A3 20060412; IT MI20041805 A1 20041221

DOCDB simple family (application)

EP 05108586 A 20050919; IT MI20041805 A 20040921