Sleeper compartment of a railroad passenger car
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 3, 2013
Grant Date -
Oct 20, 2011
app pub date -
Jun 29, 2011
filing date -
Sep 24, 2009
priority date (Note) -
In Force
status (Latency Note)
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Importance

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Forward Citations
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Abstract
The present invention relates to the technical field of railroad passenger car, and more particularly relates to a sleeper compartment of a railroad passenger car. The sleeper compartment may be an open type or a private booth type, comprising: sidewalls, partition walls, and two columns of longitudinally arranged sleepers that are parallel with each other; each column of the longitudinally arranged sleepers is formed by no less than two sleepers that are joined together, the sleepers comprise an upper-sleeper layer and a lower-sleeper layer; one partition wall is provided between adjacent sleepers; the length direction of the longitudinally arranged sleepers is consistent with the length direction of the railroad passenger car; the longitudinally arranged sleepers at two sides are fixed to the sidewalls respectively, and a corridor is provided between two adjacent columns of longitudinally arranged sleepers. The weight of the sleeper compartment of a railroad passenger car in this structure is evenly distributed, and passengers have better comfort when traveling.
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 | |
---|---|---|
TANGSHAN RAILWAY VEHICLE CO LTD | TANGSHAN HEBEI 063035 |
International Classification(s)

- 2011 Application Filing Year
- B60N Class
- 668 Applications Filed
- 494 Patents Issued To-Date
- 73.96 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
An, Chao | Hebei, CN | 5 | 8 |
# of filed Patents : 5 Total Citations : 8 | |||
Cai, Shunyin | Hebei, CN | 1 | 6 |
# of filed Patents : 1 Total Citations : 6 | |||
Liu, Huijun | Hebei, CN | 19 | 155 |
# of filed Patents : 19 Total Citations : 155 | |||
Sun, Bangcheng | Hebei, CN | 7 | 10 |
# of filed Patents : 7 Total Citations : 10 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 0 Citation Count
- B60N Class
- 0 % 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 | Mar 3, 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 17, 2025 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 12TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1553); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 12 |
Sep 24, 2020 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8 |
Mar 01, 2017 | FPAY | FEE PAYMENT | year of fee payment: 4 |
Sep 03, 2013 | I | Issuance | |
Aug 14, 2013 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Oct 20, 2011 | P | Published | |
Jun 29, 2011 | F | Filing | |
Jun 24, 2011 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SUN, BANGHENG;AN, CHAO;CAI, SHUNYIN;AND OTHERS;REEL/FRAME:026545/0302 Owner name: TANGSHAN RAILWAY VEHICLE CO., LTD., CHINA Effective Date: Jun 24, 2011 |
Sep 24, 2009 | PD | Priority Date |

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