Tunnel portal
CN309747146SActive Publication Date: 2026-01-23CHONGQING ARCHITECTURAL DESIGN INST CO LTD +1
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Patent Information
- Application Number
- CN202430757853.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2039-11-29
Smart Images
Figure 000002_ABST
Abstract
1. The name of the design product: tunnel door hole (arch beam single hole). 2. The use of the design product: for tunnel door hole decoration. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view. 5. The back of the design product is not easy to see or not visible during use, omit the rear view.
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