Railcar coupler knuckle cores and knuckles produced by said cores
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 3, 2017
Grant Date -
Feb 4, 2016
app pub date -
Oct 12, 2015
filing date -
May 20, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A knuckle may include a throat portion having a throat side wall with at least three sections, a first section closest to the knuckle tail, a third section closest to the knuckle pulling face, and a second section between said first and third sections. The wall thickness of said first section may be less than 10% different than the wall thickness of said second section. The throat portion may also include a tail stop side wall with at least three sections, a first section closest to the knuckle tail, a third section closest to the knuckle pulling face, and a second section between said first and third sections. The wall thickness of said first section may be less than 10% different than the wall thickness of said second section.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2015 Application Filing Year
- B61G Class
- 33 Applications Filed
- 28 Patents Issued To-Date
- 84.85 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- B61G Class
- 0 % this patent is cited more than
- 8 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 | Jul 3, 2028 |
