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: 157 117 910 patent documents

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

139 301 new documents added

1 340 825 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 0244028 B1 19910424 - AN INNER-SPRING MATTRESS HAVING STABILIZER BEAMS

Title (en)

AN INNER-SPRING MATTRESS HAVING STABILIZER BEAMS

Publication

EP 0244028 B1 19910424 (EN)

Application

EP 87200774 A 19870423

Priority

NL 8601044 A 19860423

Abstract (en)

[origin: EP0244028A1] An inner-spring mattress whose hollow inner space located between outer layers is set with metal coil springs (1) arranged in a regular rectangular pattern and standing freely in said hollow inner space of the mattress, in particular of the hourglass type. Stabilizer beams (2) in the form of elongated sections of foam plastic are disposed in the transverse direction and with a loose fit in the spaces between pairs of adjacent rows of springs (1).

IPC 1-7

A47C 27/06; A47C 27/20

IPC 8 full level

A47C 27/06 (2006.01); A47C 27/20 (2006.01)

CPC (source: EP)

A47C 27/063 (2013.01); A47C 27/148 (2013.01); A47C 27/20 (2013.01)

Designated contracting state (EPC)

BE DE LU NL

DOCDB simple family (publication)

EP 0244028 A1 19871104; EP 0244028 B1 19910424; DE 3769506 D1 19910529; NL 8601044 A 19871116

DOCDB simple family (application)

EP 87200774 A 19870423; DE 3769506 T 19870423; NL 8601044 A 19860423