U-shaped span for railway track
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jun 12, 2012
Grant Date -
Apr 2, 2009
app pub date -
Feb 13, 2006
filing date -
Feb 16, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a span (2) for railway tracks with a self-supporting U-shaped structure (3), defining a section of the path for a piece of rolling stock (1), travelling on the railway track and at least one further element (6, 10, 11, 14) for the travel of the rolling stock (1) on the railway track and which can support, guide and/or supply the rolling stock (1). According to the invention, at least one (6) of the additional elements (6, 10, 11, 14) is directly integrated in the U-shaped element (3).
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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SYSTRA | 75015 PARIS |
International Classification(s)

- 2006 Application Filing Year
- E01B Class
- 67 Applications Filed
- 43 Patents Issued To-Date
- 64.18 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Dutoit, Daniel | Boulogne-Billancourt, FR | 3 | 9 |
# of filed Patents : 3 Total Citations : 9 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 1 Citation Count
- E01B Class
- 10.34 % this patent is cited more than
- 13 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 |
---|---|---|---|
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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