Universal track derailer assembly
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 13, 2024
Grant Date -
Aug 26, 2021
app pub date -
May 10, 2021
filing date -
Sep 15, 2017
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A rail track derailer is comprised of a box assembly which includes a pair of parallel, spaced guide plates supported vertically on a horizontal base mounting plate configured for attachment on the gage of a rail to the top sides of a pair of spaced rail ties. The spaced guide plates may be transversely locked to the gage side of a rail. A pivotal arm is slidably attached between the guide plates. The arm includes a derailer shoe along the top of a rail. An arrangement of guide surfaces and followers that connect the box assembly and arm effect positioning of the shoe on and off the rail. The mounting plate may be attached to ties by spikes and to concrete or steel ties by plates on the underside of such toes bolted to the box assembly mounting plate.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2021 Application Filing Year
- B61K Class
- 46 Applications Filed
- 21 Patents Issued To-Date
- 45.66 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- B61K Class
- 0 % this patent is cited more than
- 1 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Aug 13, 2027 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Aug 13, 2031 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Aug 13, 2035 |
