Double point derail switch
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 3, 2018
Issued Date -
N/A
app pub date -
Feb 19, 2016
filing date -
Feb 19, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
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Abstract
A derailer for use in a railroad system, has an outside switch point that selectively overlays a running surface of a first mainline track and rises above the running surface of the first mainline track and an outside switch rail mechanically fastened to the outside switch point. The derailer also includes an inside switch rail including a second switch point that selectively lies adjacent a head of a second mainline track and terminates between the first and second mainline tracks.
First Claim
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International Classification(s)
- 2016 Application Filing Year
- B61K Class
- 45 Applications Filed
- 30 Patents Issued To-Date
- 66.67 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- B61K Class
- 0 % this patent is cited more than
- 7 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 | Oct 3, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Oct 3, 2029 |
