Portable Calculators (Second Edition)

CN309668301SActive Publication Date: 2025-12-12XIAN BD SOPHISTICATED IND CO LTD
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Patent Information

Application Number
CN202530275722.7
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-05-16
Publication Date
2025-12-12
Estimated Expiration
2040-05-16

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Abstract

1. Name of the designed product: portable slide rule (second edition). 2. Use of the designed product: for calculating multiplication and division. 3. Design points of the designed product: in the combination of shape and pattern. 4. Picture or photo best indicating the design points: front view.
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