concealed hinge

CN309721133SActive Publication Date: 2026-01-06ZHONG SHAN OLANG METAL PROD CO LTD
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Patent Information

Application Number
CN202530144373.5
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-03-24
Publication Date
2026-01-06
Estimated Expiration
2040-03-24

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Abstract

1. The name of the design product: concealed hinge. 2. The use of the design product: used for hinging the door and window with the fixed panel of the door and window, so that the door and window can rotate relative to the fixed panel of the door and window. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.
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