concealed hinge (three-dimensional side concealed)

CN309657541SActive Publication Date: 2025-12-09ZHAOQING GAOYAO SHENGHUI HARDWARE PROD CO LTD
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Patent Information

Application Number
CN202530213318.7
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-04-18
Publication Date
2025-12-09
Estimated Expiration
2040-04-18

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Abstract

1. Name of the designed product: invisible hinge (three-dimensional side invisible). 2. Use of the designed product: fittings for doors and windows. 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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