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US 6,176,430 B1Granted
Method for making a wallet card with an integral magnifying lens
AssigneeLensCard U.S., LLC
InventorsAlan Finkelstein, Don Joyce, Laurence Mayer, Robert Mayer, Michael Nicholson
Life of this patent
Estimating the term…
Abstract
A wallet card adapted for use in reading externally stored information includes a transparent, substantially non-foldable semi-rigid base. The semi-rigid base includes a magnifying lens. The lens is formed by heating a lens forming die to a temperature sufficient to soften the base material and then cooling the die prior to withdrawing the die from the base material.
Claims18
A method of making a card having an integral magnifying lens comprising the steps of:
- making a card blank having a transparent window region, wherein said card blank has a length and a width and is substantially non-foldable over its entire length and entire width;
- heating a lens forming die to a first temperature;
- impressing the lens forming die into the window region of the card blank;
- cooling the lens forming die to a second temperature;
- withdrawing the lens forming die from the card blank and
- applying machine-readable information and embossed alpha-numeric indicia to the card blank in non-interfering relationship with the magnifying lens.
3 more elements
A method of making a card having an integral magnifying lens comprising the steps of:
- making a card blank from a transparent plastic sheet material, wherein said card blank has a length and a width and is substantially non-foldable over its entire length and entire width;
- printing at least one of top and bottom surfaces of the card blank, leaving a transparent window region on each printed surface;
- applying a transparent film over each printed surface of the card blank;
- heating a lens forming die to a first temperature;
- impressing the lens forming die into the transparent film in the window region;
- cooling the lens forming die to a second temperature;
- withdrawing the lens forming die from the transparent film and
- applying machine-readable information and embossed alpha-numeric indicia to the card blank in non-interfering relationship with the magnifying lens.
5 more elements
Dependencies are inferred from the claim text.