Method and apparatus for locating a service pipe outlet transversely connected to a lined main pipe
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Sep 29, 1992
Issued Date -
N/A
app pub date -
Jul 9, 1991
filing date -
May 1, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A remotely controlled locator material dispensing apparatus for use within a conduit having an axis to mark specific conduit locations for later identification. The apparatus includes a control device located outside of the conduit for generating a plurality of control signals for controlling the operation of the locator material dispensing apparatus. The dispensing apparatus includes a first structural unit having a source of locator material to be dispensed onto an interior surface of the conduit. The first structural unit is connected to the control device for receiving the control signals therefrom, and for dispensing the locator material from the first structural unit onto the interior surface of the conduit in accordance with the received control signals. A monitor is positioned within the conduit for locating the specific conduit locations and monitoring the dispensing of the locator material.
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 | |
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INSITUFORM NORTH AMERICA CORP (A TENNESSEE CORPORATION) | 702 SPIRIT 40 PARK DRIVE CHESTERFIELD MO 63005 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Goodwin, Todd W | Birmingham, AL | 2 | 50 |
# of filed Patents : 2 Total Citations : 50 | |||
Long, Jr Charles A | Birmingham, AL | 19 | 541 |
# of filed Patents : 19 Total Citations : 541 |
Cited Art Landscape
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Patent Citation Ranking
- 20 Citation Count
- F16L Class
- 0 % this patent is cited more than
- 33 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 |
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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 |
---|---|---|---|
Dec 03, 2018 | 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 |
Dec 03, 2018 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Oct 28, 2018 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: Oct 28, 2018 |
Jun 11, 2018 | FEPP | FEE PAYMENT PROCEDURE | free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.) |
Oct 28, 2014 | I | Issuance | |
Oct 22, 2014 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:CLAYPOOL, RICK;REEL/FRAME:034230/0216 Owner name: TRANSTRADE, LLC (D/B/A BIOCOMPOST LTD. CO.), RHODE Effective Date: Oct 22, 2014 |
Sep 29, 2011 | P | Published | |
May 01, 2008 | F | Filing | |
Feb 01, 2008 | PD | Priority Date |

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