Whole house return fan
CN309513969SActive Publication Date: 2025-09-23SHANDONG SUSTAINABLE GREEN CONSTR WUHENG ENVIRONMENTAL TECH CO LTD
View PDF 0 Cites 0 Cited by
Patent Information
- Application Number
- CN202430842807.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2039-12-31
Smart Images
Figure 000007_ABST
Abstract
1. The name of this design product: whole-house return air fan. 2. The purpose of this design product: used for whole-house return air fans. 3. The key design point of this appearance design product lies in the overall shape of the product. 4. The picture or photo that best illustrates the design points: three-dimensional picture.
Need to check novelty before this filing date? Find Prior Art