Playing Cards (Panoramic Mathematics)

CN309530953SActive Publication Date: 2025-10-03张宏伟
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Patent Information

Application Number
CN202530033470.7
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2025-10-03
Estimated Expiration
2040-01-17

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Abstract

1. The name of this design product: Playing Cards (Panoramic Mathematics). 2. Purpose of this design product: for leisure and entertainment, and to guide students' mathematical thinking. 3. The key design point of this design product lies in the combination of shape and pattern. 4. The picture or photo that best illustrates the key points of the design: Main view of component 1. 5. The product with this appearance design is a thin product, and the left view is omitted; the product with this appearance design is a thin product, and the right view is omitted; the product with this appearance design is a thin product, and the top view is omitted; the product with this appearance design is a thin product, and the bottom view is omitted; the rear views of components 2 to 54 are the same in shape and pattern as the rear view of component 1, and the rear views of components 2 to 54 are omitted; the rear view of component 56 is the same in shape and pattern as the main view of component 56, and the rear view of component 56 is omitted; the rear view of component 57 is the same in shape and pattern as the main view of component 57, and the rear view of component 57 is omitted; the rear view of component 58 is the same in shape and pattern as the main view of component 58, and the rear view of component 58 is omitted; the rear view of component 59 is the same in shape and pattern as the main view of component 59, and the rear view of component 59 is omitted; the rear view of component 60 is the same in shape and pattern as the main view of component 60, and the rear view of component 60 is omitted; the rear view of component 61 is the same in shape and pattern as the main view of component 61, and the rear view of component 61 is omitted. 6. Other situations that need explanation: Component description: Components 1 to 54, each component has one sheet; Components 55 to 59, each component has four sheets, so the remaining three sheets of each component are omitted; Components 60 to 61, each component has two sheets, so the remaining one sheet of each component is omitted.
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