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: 157 484 516 patent documents

This week's update (26/07/2024 12:00 CET):

147 225 new documents added

921 612 documents amended

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EP 0005690 B1 19810617 - DOUBLE EXTENSION LADDER OR STEPLADDER

Title (en)

DOUBLE EXTENSION LADDER OR STEPLADDER

Publication

EP 0005690 B1 19810617 (FR)

Application

EP 79870013 A 19790507

Priority

BE 187943 A 19780523

Abstract (en)

[origin: US4256200A] A step ladder with rungs which can be retracted and transformed, without dismantling, into a folded ladder and an extension ladder.

IPC 1-7

E06C 1/383; E06C 1/12

IPC 8 full level

E06C 1/32 (2006.01); E06C 1/12 (2006.01); E06C 1/383 (2006.01); E06C 5/16 (2006.01); E06C 7/46 (2006.01)

CPC (source: EP US)

E06C 1/12 (2013.01 - EP US); E06C 1/383 (2013.01 - EP US); E06C 5/16 (2013.01 - EP US); E06C 7/46 (2013.01 - EP US)

Designated contracting state (EPC)

AT CH DE FR GB IT LU NL SE

DOCDB simple family (publication)

EP 0005690 A2 19791128; EP 0005690 A3 19791212; EP 0005690 B1 19810617; AT E88 T1 19810715; BE 867361 A 19780918; CA 1103629 A 19810623; DE 2960416 D1 19810924; JP S54154671 A 19791205; US 4256200 A 19810317

DOCDB simple family (application)

EP 79870013 A 19790507; AT 79870013 T 19790507; BE 187943 A 19780523; CA 327793 A 19790516; DE 2960416 T 19790507; JP 6452579 A 19790523; US 4072479 A 19790521