Covering For An Architectural Opening Including Multiple Stage Spring Assembly
Patent No. EP3218566 (titled "Covering For An Architectural Opening Including Multiple Stage Spring Assembly") was filed by Hunter Douglas on Nov 10, 2015. The application was issued on Oct 2, 2019.
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EP3218566
- Application Number
- EP15859498A
- Filing Date
- Nov 10, 2015
- Status
- Revoked
- Sep 3, 2021
- Publication Date
- Oct 2, 2019
- External Links
- Slate, Register , Google Patents