civil defense door

CN309625467SActive Publication Date: 2025-11-21CHINA URBAN CONSTR DESIGN & RES INST CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202530226119.X
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-04-24
Publication Date
2025-11-21
Estimated Expiration
2040-04-24

Smart Images

  • Figure 000007_ABST
    Figure 000007_ABST
Patent Text Reader

Abstract

1. The name of the design product: civil air defense door. 2. The use of the design product: for the protection of the entrance of the building underground protection project. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.
Need to check novelty before this filing date? Find Prior Art