Copper ingot, copper wire material, and method for producing copper ingot
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United States of America Patent
Stats
-
May 12, 2020
Grant Date -
Dec 15, 2016
app pub date -
Nov 28, 2014
filing date -
Mar 14, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A copper ingot of the present invention which is casted by a belt-caster type continuous casting apparatus includes: 1 ppm by mass or less of carbon; 10 ppm by mass or less of oxygen; 0.8 ppm by mass or less of hydrogen; 15 ppm by mass to 35 ppm by mass of phosphorus; and a balance of Cu and inevitable impurities, and includes inclusions formed of oxides containing carbon, phosphorus, and Cu.
First Claim
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International Classification(s)
- 2014 Application Filing Year
- B22D Class
- 507 Applications Filed
- 395 Patents Issued To-Date
- 77.91 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- B22D Class
- 0 % this patent is cited more than
- 5 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Nov 12, 2027 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 12, 2031 |
