EP 0757741 A1 19970212 - 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)
Citation (search report)
See references of WO 9623941A1
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