Rotary stairs
CN309597427SActive Publication Date: 2025-11-11SHANGHAI ZHENYU CONSTR ENG CO LTD
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Patent Information
- Application Number
- CN202530105756.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-07
- Publication Date
- 2025-11-11
- Estimated Expiration
- 2040-03-07
Smart Images
Figure 000007_ABST
Abstract
1. Name of the designed product: spiral stairs. 2. Use of the designed product: used on the stairs of various buildings and connected between the upper and lower floors. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.
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