Railroad crossing panel filler
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 10, 2000
Grant Date -
N/A
app pub date -
Oct 16, 1998
filing date -
Oct 16, 1998
priority date (Note) -
Expired
status (Latency Note)
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Importance

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Abstract
A railroad crossing panel filler for attachment to a headed support member on a railroad crossing panel slab includes an elongated elastomeric filler body with a slab engaging surface formed along the body. A rail engaging surface is also formed along the filler body opposite the slab engaging surface. An elongated support member head receiving channel is formed within the filler body and extends along the length thereof between the slab engaging surface and the rail engaging surface. An elongated support member receiving slot extending along the length of the filler body and includes a first open end along the slab engaging surface and a second end opening into the enlarged support member head receiving channel. The support member head receiving channel and support member receiving slot are configured to releasably receive a headed panel support member to releasably mount the elastomeric filler body to the panel.
First Claim
all claims..Other Claims data not available
Family
- No Family data available.
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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CXT INCORPORATED | P O BOX 14757 SPOKANE WA 99214 |
International Classification(s)

- 1998 Application Filing Year
- E01B Class
- 56 Applications Filed
- 34 Patents Issued To-Date
- 60.72 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Mattson, Steven R | Spokane, WA | 6 | 63 |
# of filed Patents : 6 Total Citations : 63 | |||
Petersen, Rick W | Spokane, WA | 4 | 65 |
# of filed Patents : 4 Total Citations : 65 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 14 Citation Count
- E01B Class
- 79.69 % this patent is cited more than
- 25 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
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 |
---|---|---|---|
Nov 11, 2004 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY |
Nov 11, 2004 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Oct 12, 2004 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | |
Oct 10, 2004 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Oct 10, 2004 |
Apr 28, 2004 | REMI | MAINTENANCE FEE REMINDER MAILED | |
Aug 28, 2001 | CC | CERTIFICATE OF CORRECTION | |
Oct 10, 2000 | I | Issuance | |
Oct 16, 1998 | F | Filing | |
Oct 16, 1998 | PD | Priority Date | |
Oct 13, 1998 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:PETERSEN, RICK W.;MATTSON, STEVEN R.;REEL/FRAME:009526/0913 Owner name: CXT, INCORPORATED, WASHINGTON Effective Date: Oct 13, 1998 |

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