Light and shadow observation box
CN310248179SActive Publication Date: 2026-10-09河北省当代青年文化艺术交流中心(个人独资)
View PDF 0 Cites 0 Cited by
Patent Information
- Application Number
- CN202630148872.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2026-04-01
- Publication Date
- 2026-10-09
- Estimated Expiration
- 2041-04-01
Smart Images
Figure 000004_ABST
Abstract
1. The name of the design product: light and shadow observation box. 2. The use of the design product: the design product is used for observing the rules and characteristics of light and shadow changes directly. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.
Need to check novelty before this filing date? Find Prior Art