perpetual calendar

CN310303297SActive Publication Date: 2026-11-06SHANGHAI NISSEI WELL COMMERCIAL PRINT CO LTD
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Patent Information

Application Number
CN202630049318.2
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2026-01-29
Publication Date
2026-11-06
Estimated Expiration
2041-01-29

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Abstract

1. Name of the product in this design: Perpetual Calendar. 2. Purpose of this design: This design is intended for use in wall calendars. 3. The key design feature of this product is its shape. 4. Images or photos that best illustrate the design key points: Combined state reference diagram. 5. This design is for a thin product, so the bottom view of component 2 is omitted; this design is for a thin product, so the top view of component 2 is omitted; this design is for a thin product, so the left view of component 2 is omitted; this design is for a thin product, so the right view of component 2 is omitted.
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