EP 0231978 B1 19901212 - BUILDING BLOCK AND CONSTRUCTION MADE BY THE USE THEREOF
Title (en)
BUILDING BLOCK AND CONSTRUCTION MADE BY THE USE THEREOF
Publication
Application
Priority
BE 216244 A 19860207
Abstract (en)
[origin: US4769961A] There is described a building block, notably shuttering blocks to be laid dry, having at the one end thereof a fork and at the other end thereof, adjacent the side edges thereof, recesses wherein the free fork ends from another block substantially of the same type, can enter, in which the depth of the one said recesses along the block length direction, is deeper than the corresponding depth of the other recess.
IPC 1-7
IPC 8 full level
E04B 2/46 (2006.01); E04B 2/54 (2006.01); E04C 3/30 (2006.01); E04B 2/02 (2006.01)
CPC (source: EP US)
E04B 2/54 (2013.01 - EP US); E04B 2002/0204 (2013.01 - EP US); E04B 2002/0265 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
US 4769961 A 19880913; AT E59074 T1 19901215; BE 904200 A 19860529; DE 3766622 D1 19910124; EP 0231978 A2 19870812; EP 0231978 A3 19871223; EP 0231978 B1 19901212
DOCDB simple family (application)
US 945787 A 19870202; AT 87200151 T 19870202; BE 216244 A 19860207; DE 3766622 T 19870202; EP 87200151 A 19870202