closed bell jar
CN309676071SActive Publication Date: 2025-12-16SHANDONG FENGXIN SCI & TECH DEV CO LTD
View PDF 0 Cites 0 Cited by
Patent Information
- Application Number
- CN202530150753.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2040-03-25
Smart Images

Figure 000018_ABST
Abstract
1. The name of the design product: closed air cover. 2. The use of the design product: closed air cover for papermaking machine. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: assembly state perspective view. 5. The bottom view of the design product is not easy to see or not visible when in use, omitting assembly 1 bottom view, assembly 2 bottom view and assembly state bottom view.
Need to check novelty before this filing date? Find Prior Art