Stock material or miscellaneous articles – Composite – Of quartz or glass
Reexamination Certificate
2007-09-11
2007-09-11
Zimmerman, John J. (Department: 1775)
Stock material or miscellaneous articles
Composite
Of quartz or glass
C428S701000, C428S702000
Reexamination Certificate
active
10866936
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.
REFERENCES:
patent: 3612692 (1971-10-01), Kruppa et al.
patent: 4538912 (1985-09-01), Shaw, Jr.
patent: 4619504 (1986-10-01), Daniels et al.
patent: 5731898 (1998-03-01), Orzi et al.
patent: WO 01/02496 (2001-01-01), None
patent: WO 02/22517 (2006-03-01), None
Hartig Klaus
Krisko Annette
Miller Leah
O'Shaughnessy Roger
Pfaff Gary
Blackwell G.
Cardinal CG Company
Fredrikson & Byron , P.A.
Zimmerman John J.
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