externally threaded protector liner cap (2)
CN309616613SActive Publication Date: 2025-11-21ZIBO YIYANG ECONOMIC & TRADE CO LTD
View PDF 0 Cites 0 Cited by
Patent Information
- Application Number
- CN202530194001.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-11
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2040-04-11
Smart Images

Figure 000007_ABST
Abstract
1. The name of the design product: the cap of the external thread protector inner liner (2). 2. The use of the design product: for oil field pipeline external thread protection. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.
Need to check novelty before this filing date? Find Prior Art