Door and window obstruction alarm (M111)

CN309916046SActive Publication Date: 2026-04-14彭新平
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-09-26
Publication Date
2026-04-14

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Abstract

1. Name of the product in this design: Door and Window Blocking Alarm (M111). 2. Purpose of this design: To be fixed behind doors and windows to prevent them from moving and to serve as an anti-theft alarm. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.
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