PISTON RING
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 -
May 13, 2010
app pub date -
Jan 30, 2008
filing date -
Feb 17, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Importance

US Family Size
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Non-US Coverage
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Abstract
A piston ring, having a base body, which comprises a substantially circumferential running surface, which has an upper and a lower flank surface, an inner circumferential surface, and a butt opening provided with defined butt clearance, wherein the transition of the running surface butt edge into the respective butt surface is configured as a sharp edge, and the running surface is provide with at least one PVD cover layer ≦10 μm at least up to the respective running surface butt edge.
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 | |
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FEDERAL-MOGUL BURSCHEID GMBH | GERMANY 'BOOLEAN BURSCHEID NORTH RHINE-WESTPHALIA |
International Classification(s)

- 2008 Application Filing Year
- F16J Class
- 360 Applications Filed
- 166 Patents Issued To-Date
- 46.12 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Esser, Johannes | Odenthal, DE | 8 | 39 |
# of filed Patents : 8 Total Citations : 39 | |||
Münchow, Frank | Wermelskirchen, DE | 7 | 39 |
# of filed Patents : 7 Total Citations : 39 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 5 Citation Count
- F16J Class
- 4.33 % this patent is cited more than
- 15 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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Fee | Large entity fee | small entity fee | micro entity fee |
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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 |
Full Text

Legal Events
Date | Code | Event | Description |
---|---|---|---|
Mar 07, 2016 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Feb 10, 2016 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Feb 10, 2016 |
Feb 10, 2016 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | |
Sep 18, 2015 | REMI | MAINTENANCE FEE REMINDER MAILED | |
Aug 08, 2011 | FPAY | FEE PAYMENT | year of fee payment: 8 |
Jul 13, 2007 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Jan 01, 2006 | AS | ASSIGNMENT | free format text: MERGER;ASSIGNOR:FAG KUGELFISCHER AG & CO. OHG;REEL/FRAME:037406/0817 Owner name: INA-SCHAEFFLER AG, GERMANY Effective Date: Jan 01, 2006 |
Jan 01, 2006 | AS | ASSIGNMENT | free format text: CERTIFICATION;ASSIGNOR:FAG KUGELFISCHER AG;REEL/FRAME:020279/0690 Owner name: SCHAEFFLER KG, GERMANY Effective Date: Jan 01, 2006 |
Jun 21, 2004 | AS | ASSIGNMENT | free format text: CHANGE OF NAME;ASSIGNOR:FAG AUTOMOBILTECHNIK AG;REEL/FRAME:015918/0756 Owner name: FAG KUGELFISCHER AG, GERMANY Effective Date: Jun 21, 2004 |
Feb 10, 2004 | I | Issuance | |
Sep 10, 2001 | F | Filing | |
Sep 10, 2001 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SCHOTTDORF, JOHANNES;WERB, ROLAND;LANGER, ROLAND;AND OTHERS;REEL/FRAME:012186/0352;SIGNING DATES FROM 20010718 TO 20010723 Owner name: FAG AUTOMOBILTECHNIK AG, GERMANY |
Oct 01, 1999 | PD | Priority Date |

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