Invention Grant
- Patent Title: Window shade
- Patent Title (中): 窗帘
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Application No.: US11781004Application Date: 2007-07-20
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Publication No.: US07415845B1Publication Date: 2008-08-26
- Inventor: Claus Graichen
- Applicant: Claus Graichen
- Agency: Coats & Bennett, P.L.L.C.
- Main IPC: D04B1/22
- IPC: D04B1/22

Abstract:
A non-laminated window shade having simultaneously formed and interconnected layers is provided. Pattern is produced by revealing portions of an intermediate layer. An intermediate layer comprises solution dyed yarns of a dark color. Pad dyeing and yarn selection produces contrast between a front layer and revealed portions of an intermediate layer.
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