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 0043012 B1 19850320 - FRAME FOR A TENNIS RACKET

Title (en)

FRAME FOR A TENNIS RACKET

Publication

EP 0043012 B1 19850320 (DE)

Application

EP 81104487 A 19810611

Priority

DE 3024234 A 19800627

Abstract (en)

[origin: US4550909A] A tennis racket frame, having a heart piece bridging opposite sides of the frame, is provided at the opposite sides of the frame with members interfitting with the tubular heart piece and bolted to the frame members.

IPC 1-7

A63B 49/02

IPC 8 full level

A63B 49/02 (2006.01); A63B 49/03 (2015.01)

CPC (source: EP US)

A63B 49/03 (2015.10 - EP US)

Designated contracting state (EPC)

AT CH DE FR IT LI SE

DOCDB simple family (publication)

EP 0043012 A1 19820106; EP 0043012 B1 19850320; AT E12184 T1 19850415; DE 3024234 A1 19820121; DE 3169354 D1 19850425; JP S5739862 A 19820305; US 4550909 A 19851105

DOCDB simple family (application)

EP 81104487 A 19810611; AT 81104487 T 19810611; DE 3024234 A 19800627; DE 3169354 T 19810611; JP 9848281 A 19810626; US 27797881 A 19810625