Stop device for rail cars and in particular for use with tracks in classification yards
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 16, 2013
Grant Date -
Jan 19, 2012
app pub date -
May 20, 2011
filing date -
May 20, 2010
priority date (Note) -
In Force
status (Latency Note)
![]() |
A preliminary load of PAIR data current through [] has been loaded. Any more recent PAIR data will be loaded within twenty-four hours. |
PAIR data current through []
A preliminary load of cached data will be loaded soon.
Any more recent PAIR data will be loaded within twenty-four hours.
![]() |
Next PAIR Update Scheduled on [ ] |

Importance

US Family Size
|
Non-US Coverage
|
Patent Longevity
|
Forward Citations
|
Abstract
A device for stopping rail cards includes an articulated member adapted to move between a first raised position in which ait receives a rail car wheel in contacting or abutting relationship to cause effective stopping of the car, and a second retracted position which offers no resistance to movement of the car wheels. A hydraulic or pneumatic ram is provided to move the articulated member between the two positions.
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 | |
---|---|---|
ARGENT INDUSTRIAL LIMITED | 1ST FLOOR RIDGE 63 8 SINEMBE CRESCENT LA LUCIA RIDGE OFFICE ESTATE SINEMBE PARK 4019 |
International Classification(s)

- 2011 Application Filing Year
- B61K Class
- 16 Applications Filed
- 12 Patents Issued To-Date
- 75 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Thyssen,, Jr Cornelius Johannes | Sinembe Park, ZA | 1 | 8 |
# of filed Patents : 1 Total Citations : 8 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 2 Citation Count
- B61K Class
- 9.09 % this patent is cited more than
- 12 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 16, 2025 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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 |
Full Text

Legal Events
Date | Code | Event | Description |
---|---|---|---|
Jan 21, 2025 | FEPP | FEE PAYMENT PROCEDURE | free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY |
Nov 18, 2020 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: M2551); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY year of fee payment: 4 |
Oct 19, 2020 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:UNIVERSITY OF LEEDS;REEL/FRAME:055483/0847 Owner name: CREDENTIS A.G., SWITZERLAND Effective Date: Oct 19, 2020 |
May 30, 2017 | I | Issuance | |
May 10, 2017 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Nov 24, 2016 | P | Published | |
Aug 11, 2016 | F | Filing | |
Aug 11, 2016 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BODEN, NEVILLE;AGGELI, AMALIA;INGHAM, EILEEN;AND OTHERS;SIGNING DATES FROM 20120803 TO 20120921;REEL/FRAME:039401/0468 Owner name: UNIVERSITY OF LEEDS, UNITED KINGDOM |
Jul 15, 2002 | PD | Priority Date |

Matter Detail

Renewals Detail
