MANDREL OF COIL BOX
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
Oct 22, 2015
app pub date -
Nov 20, 2013
filing date -
Dec 24, 2012
priority date (Note) -
Published
status (Latency Note)
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Importance

US Family Size
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Non-US Coverage
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Abstract
A mandrel of a coil box comprises: a cylindrical mandrel body having a center shaft disposed therein and a slot into which a front end portion of a hot bar is inserted; and a guide part which is arranged towards the inside of the mandrel body from a peripheral wall of one side of the slot so as to prevent the cooling and plastic deformation of the front end portion of the bar inserted through the slot.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
POSCO | GYEONGSANGBUK-DO 37859 |
International Classification(s)

- 2013 Application Filing Year
- B21C Class
- 152 Applications Filed
- 135 Patents Issued To-Date
- 88.82 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
LEE, Choong-Yun | Gwangyang-si, KR | 3 | 1 |
# of filed Patents : 3 Total Citations : 1 | |||
LEE, Sang-Hyeon | Gwangyang-si, KR | 23 | 125 |
# of filed Patents : 23 Total Citations : 125 | |||
LEE, Sung-Lim | Gwangyang-si, KR | 4 | 8 |
# of filed Patents : 4 Total Citations : 8 |
Cited Art Landscape
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Patent Citation Ranking
- 0 Citation Count
- B21C Class
- 0 % this patent is cited more than
- 10 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Apr 22, 2027 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
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 |
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