manhole cover (pivoting)
CN309818038SActive Publication Date: 2026-02-27YUNCHENG YILIN AUTO PARTS CO LTD
View PDF 0 Cites 0 Cited by
Patent Information
- Application Number
- CN202530423552.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-19
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2040-07-19
Smart Images

Figure 000008_ABST
Abstract
1. The name of the design product: manhole cover (translation type). 2. The use of the design product: used in powder material transport vehicles and ships, plays the role of in-tank maintenance and air pressure sealing, and prevents dust leakage. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: use state diagram.
Need to check novelty before this filing date? Find Prior Art