EP 0757741 B1 19970917 - Circular staircase
Title (en)
Circular staircase
Title (de)
Spindeltreppe
Title (fr)
Escalier en colimaçon
Publication
Application
Priority
- DE 9500531 W 19950415
- DE 19503582 A 19950203
Abstract (en)
[origin: WO9623941A1] A circular staircase has individual steps made of stone, in particular natural stone, mounted on the central newel. The steps have each a reinforcing member (4) with one end that may be joined to the newel (2) and another end that may be pre-stressed by a pre-stressing element (7) against the step (3).
IPC 1-7
IPC 8 full level
E04F 11/02 (2006.01); E04F 11/032 (2006.01)
CPC (source: EP)
E04F 11/032 (2013.01)
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IE IT LI LU NL PT SE
DOCDB simple family (publication)
WO 9623941 A1 19960808; AT E158372 T1 19971015; CN 1177389 A 19980325; CZ 27897 A3 19970917; CZ 290211 B6 20020612; DE 19503582 A1 19960808; DE 19503582 C2 19961212; DE 59500693 D1 19971023; DK 0757741 T3 19980105; EP 0757741 A1 19970212; EP 0757741 B1 19970917; ES 2108579 T3 19971216; GR 3024953 T3 19980130; HU T77763 A 19980728; PL 179233 B1 20000831; PL 321598 A1 19971208; RU 2133808 C1 19990727
DOCDB simple family (application)
DE 9500531 W 19950415; AT 95915795 T 19950415; CN 95197727 A 19950415; CZ 27897 A 19950415; DE 19503582 A 19950203; DE 59500693 T 19950415; DK 95915795 T 19950415; EP 95915795 A 19950415; ES 95915795 T 19950415; GR 970402597 T 19971008; HU 9700218 A 19950415; PL 32159895 A 19950415; RU 97114888 A 19950415