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US 6,817,532 B2Granted
Wallet card with built-in light
AssigneeLensCard U.S., LLC
InventorAlan Finkelstein
Life of this patent
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Abstract
A wallet card, such as a financial transaction card, has a substantially non-foldable semi-rigid base. Optionally, the semi-rigid base may include a magnifying lens. One or more lights are disposed in the card base to provide illumination.
Claims7
A method of making a wallet card containing a light comprising:
- forming a first core member;
- laminating a first overlay to a first surface of the first core member;
- forming a cavity in a second surface of the first core member;
- assembling a circuit unit comprising a light, a battery and a switch;
- installing the circuit unit in the cavity;
- filling a remaining volume of the cavity with a curable resin;
- planarizing the second surface of the first core member after the resin has cured;
- forming a second core member;
- laminating a second overlay to a first surface of the second core member;
- securing the second surface of the first core member to a second surface of the second core member.
7 more elements
Dependencies are inferred from the claim text.