Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Reexamination Certificate
2005-12-06
2005-12-06
Dye, Rena (Department: 1774)
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
C428S040800, C428S040100, C428S442000, C428S348000, C428S349000, C428S350000, C428S351000, C428S352000, C428S353000, C428S354000, C428S35500R, C428S196000, C428S197000, C434S393000, C434S410000, C273S240000, C442S038000, C442S039000, C442S040000, C442S041000, C442S149000, C442S150000, C442S151000, C156S386000
Reexamination Certificate
active
06972151
ABSTRACT:
A device for forming erasable images on a reusable medium, comprising: an erasing portion; and a writing portion; wherein the erasing portion comprises a separator for separating at least two layers of the reusable medium; and wherein the writing portion comprises automatic machine-driven pressure applicators for applying pressure but no ink to the reusable medium, thereby forming an image on the reusable medium.
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Dicus Tamra L.
Hewlett--Packard Development Company, L.P.
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