EP 0415093 B1 19930303 - HEXAGONAL RESPECTIVELY PENTAGONAL STONE
Title (en)
HEXAGONAL RESPECTIVELY PENTAGONAL STONE
Publication
Application
Priority
DE 8910290 U 19890829
Abstract (en)
[origin: EP0415093A1] A pentagonal stone (1) is formed by cutting out from a square basic shape exactly one eighth of the overall surface, this cutout, at least on one side line (4) of the square, extending exactly as far as its centre and being rectilinearly delimited, and this cutout being alternatively a rectangle (2) or a right-angled isosceles triangle (3), one side line in each case accordingly also corresponding to half the length of the side lines (4) of the original square. <IMAGE>
IPC 1-7
IPC 8 full level
E01C 5/04 (2006.01); E01C 5/06 (2006.01); E04F 15/08 (2006.01)
CPC (source: EP)
E01C 5/04 (2013.01); E01C 5/06 (2013.01); E04F 15/08 (2013.01); E01C 2201/06 (2013.01)
Designated contracting state (EPC)
AT BE CH DE FR LI LU NL
DOCDB simple family (publication)
EP 0415093 A1 19910306; EP 0415093 B1 19930303; AT E86321 T1 19930315; DD 298957 A5 19920319; DE 59000962 D1 19930408; DE 8910290 U1 19910110
DOCDB simple family (application)
EP 90114467 A 19900727; AT 90114467 T 19900727; DD 34368790 A 19900828; DE 59000962 T 19900727; DE 8910290 U 19890829