Rail-fastening system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 22, 2016
Grant Date -
Apr 17, 2014
app pub date -
Jun 11, 2012
filing date -
Jun 10, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Rail-fastening system for the non-positive resilient fastening of a rail (2) on a sleeper (1) of a railway track installation, comprising at least one angle guide plate (5), which can be fixed to the sleeper (1) with at least one screw (4), and at least one clamp (3), characterized in that the bending radii of the clamp arms (3a, 3b) of the clamp (3) preferably lie in the range from 18-70 mm, wherein the ratio of mutually adjacent bending radii within each clamping arm is ≦1.9 and the ratio of the greatest to the smallest bending radius thereof is ≦3.8, and in that the ratio of weight to width of the angle guide plate is <1.3 g/mm, preferably about 1.25 g/mm.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2012 Application Filing Year
- E01B Class
- 104 Applications Filed
- 89 Patents Issued To-Date
- 85.58 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- E01B Class
- 33.77 % this patent is cited more than
- 9 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Sep 22, 2027 |
