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: 156 511 693 patent documents

This week's update (14/06/2024 12:00 CET):

200 241 new documents added

1 026 356 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 0217251 B1 19890621 - MAGNETIC BACKLASH ELIMINATOR FOR A TIME PIECE

Title (en)

MAGNETIC BACKLASH ELIMINATOR FOR A TIME PIECE

Publication

EP 0217251 B1 19890621 (FR)

Application

EP 86113006 A 19860920

Priority

CH 424885 A 19851002

Abstract (en)

[origin: US4684263A] A magnetic brake for a timepiece including a seconds wheel and a fixed magnet. The wheel is fashioned from magnetic steel. The magnet is located in vicinity of the wheel periphery and radially offset with respect to the teeth thereon.

IPC 1-7

G04B 35/00

IPC 8 full level

G04B 35/00 (2006.01); G04C 3/14 (2006.01)

CPC (source: EP US)

G04B 35/00 (2013.01 - EP US)

Citation (examination)

US 3978654 A 19760907 - KOIKE KENICHI, et al

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0217251 A1 19870408; EP 0217251 B1 19890621; CH 661403G A3 19870731; DE 3664069 D1 19890727; HK 86992 A 19921113; JP S6291886 A 19870427; US 4684263 A 19870804

DOCDB simple family (application)

EP 86113006 A 19860920; CH 424885 A 19851002; DE 3664069 T 19860920; HK 86992 A 19921105; JP 23134686 A 19861001; US 90458886 A 19860908