Title:
PREFABRICATED SPIRAL STAIRCASE
Document Type and Number:
WIPO Patent Application WO/2016/114518
Kind Code:
A1
Abstract:
The present invention relates to a prefabricated spiral staircase which enables the height between footboards to be freely and finely adjusted, and thus can be assembled and constructed in a convenient fashion even at a construction site where the interlayer heights are different.
Inventors:
SEO SEONGHWAN (KR)
Application Number:
PCT/KR2016/000036
Publication Date:
July 21, 2016
Filing Date:
January 05, 2016
Export Citation:
Assignee:
SEO SEONGHWAN (KR)
International Classes:
E04F11/032; E04F11/104
Foreign References:
| JP2005220656A | 2005-08-18 | |||
| KR200201279Y1 | 2000-11-01 | |||
| JP2009144437A | 2009-07-02 | |||
| JPH07305471A | 1995-11-21 | |||
| JP2003184250A | 2003-07-03 |
Attorney, Agent or Firm:
PARK, CHANGHOON (KR)
박창훈 (KR)
박창훈 (KR)
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