Piston ring
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Nov 7, 2017
Issued Date -
N/A
app pub date -
May 15, 2014
filing date -
May 15, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A piston ring may include a metallic base, an outer slide layer and an intermediate layer disposed between the base and the outer slide layer. The base may extend between at least two end regions. The outer slide layer and the intermediate layer may be disposed on an outer radial face of each end region of the base.
First Claim
Other Claims data not available
Family
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| Country | kind | publication No. | Filing Date |
|---|---|---|---|
| BR | A2 | BR102013012133 | May 15, 2013 |
| CN | B | CN105190126 | May 15, 2014 |
| WO | A1 | WO2014183180 | May 15, 2014 |
International Classification(s)
- 2014 Application Filing Year
- C23C Class
- 2649 Applications Filed
- 2034 Patents Issued To-Date
- 76.79 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 2 Citation Count
- C23C Class
- 27.20 % this patent is cited more than
- 8 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 | May 7, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 7, 2029 |
