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: 156 809 018 patent documents

This week's update (28/06/2024 12:00 CET):

176 501 new documents added

1 938 899 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 0047379 B1 19840905 - WRITING IMPLEMENT COMPRISING MEANS FOR PRODUCING SOUNDS

Title (en)

WRITING IMPLEMENT COMPRISING MEANS FOR PRODUCING SOUNDS

Publication

EP 0047379 B1 19840905 (DE)

Application

EP 81105658 A 19810718

Priority

DE 3033975 A 19800910
DE 3037454 A 19801003
DE 3121677 A 19810601

Abstract (en)

[origin: EP0047379A2] 1. Writing instrument with a mechanism located in a housing for advancing a refill, characterized in that on the mechanism (1) and/or the housing (2) means (4, 5) are provided whose cooperation on actuation of the mechanism (1) generates sounds, and that the housing (2) comprises sound apertures (3).

IPC 1-7

B43K 29/00

IPC 8 full level

B43K 29/00 (2006.01)

CPC (source: EP)

B43K 29/005 (2013.01)

Designated contracting state (EPC)

AT BE CH FR GB IT LI NL

DOCDB simple family (publication)

EP 0047379 A2 19820317; EP 0047379 A3 19820526; EP 0047379 B1 19840905

DOCDB simple family (application)

EP 81105658 A 19810718