US Patent No: 7,488,442
Number of patents in Portfolio can not be more than 2000
Glass layered ceramic product
Stats
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Feb 10, 2009
Issued date -
Oct 1, 2001
filing date -
10/399,397
serial no -
In Force
status
Importance
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Abstract
A product having a glass layer is produced that can be produced at low cost and can exhibit excellent antibacterial function. A base body, a first glazing material capable of forming a first glass layer on a surface of the base body, and a second glazing material capable of forming a second glass layer containing a silver compound on the surface of the base body. A first glazing material layer comprising the first glazing material and, on the surface side, a second glazing material layer comprising the second glazing material are formed on the surface of the base body. The first glazing material layer and the second glazing material layer are melted to form a first glass layer and a second glass layer. The second glazing material layer has a higher viscosity upon melting than the first glazing material layer.
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First Claim
Related Publications
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International Classification(s)
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- [Patents Count]
Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 6,548,162 Sanitary ware and process for producing the same | 2 | 2000 | |
| 6,673,433 Stainproof material and method for manufacturing the same, and coating composition and apparatus thereof | 19 | 2001 | |
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| 5,379,017 Square chip resistor | 18 | 1993 | |
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| 5,807,641 Anti-bacterial and anti-fungal glaze composition for ceramic products | 15 | 1995 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Aug 10, 2016 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Aug 10, 2020 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
| Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |