invisible in-out and in-down upper hinge
CN310191525SActive Publication Date: 2026-09-08ANHUI WEIGES HARDWARE PRODUCTS CO LTD
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Patent Information
- Application Number
- CN202630170118.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2026-04-13
- Publication Date
- 2026-09-08
- Estimated Expiration
- 2041-04-13
Smart Images
Figure 000007_ABST
Abstract
1. The name of the design product: invisible inner opening and inner reverse upper hinge. 2. The use of the design product: the design product is used for the upper and lower hinge connection of the casement window, which plays the role of window opening and closing transmission. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.
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