Invention Grant
- Patent Title: Presence indicator for removable transparent film
- Patent Title (中): 可拆卸透明胶片的存在指示
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Application No.: US10866936Application Date: 2004-06-14
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Publication No.: US07267880B2Publication Date: 2007-09-11
- Inventor: Leah Miller , Annette Krisko , Klaus Hartig , Roger O'Shaughnessy , Gary Pfaff
- Applicant: Leah Miller , Annette Krisko , Klaus Hartig , Roger O'Shaughnessy , Gary Pfaff
- Applicant Address: US MN Eden Prairie
- Assignee: Cardinal CG Company
- Current Assignee: Cardinal CG Company
- Current Assignee Address: US MN Eden Prairie
- Agency: Fredrikson & Byron, P.A.
- Main IPC: B32B17/06
- IPC: B32B17/06

Abstract:
A substrate having a surface carrying a removable transparent film that can be removed by the surface by a desired washing process, and removable presence indicator associated with the removable transparent film, the presence indicator being removable by the same desired washing process as the removable transparent film. A method of producing a substrate having a presence indicator in contact with a removable transparent film a method of washing a substrate having a presence indicator in contact with a removable transparent film are also disclosed.
Public/Granted literature
- US20040258890A1 Presence indicator for removable transparent film Public/Granted day:2004-12-23
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