Granted Patent
Utility
US 6,568,474
· Confirmation No. 9228
RIGLESS ONE-TRIP PERFORATION AND GRAVEL PACK SYSTEM AND METHOD
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2015-03-10 | N570 |
Communication - Re: Power of Attorney (PTOL-308) | 1 | View | |
| 2015-03-10 | N570 |
Communication - Re: Power of Attorney (PTOL-308) | 1 | View | |
| 2015-03-06 | MFEE.C.AD |
Maintenance Fee Address Change | 2 | View | |
| 2015-03-06 | PA.. |
Power of Attorney | 2 | View | |
| 2015-03-06 | R3.73 |
Assignee showing of ownership per 37 CFR 3.73 | 3 | View | |
| 2015-03-06 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2008-10-01 | N570 |
Communication - Re: Power of Attorney (PTOL-308) | 1 | View | |
| 2008-10-01 | N570 |
Communication - Re: Power of Attorney (PTOL-308) | 1 | View | |
| 2008-09-24 | PA.. |
Power of Attorney | 2 | View | |
| 2008-09-24 | C.AD |
Change of Address | 2 | View | |
| 2008-09-24 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2002-01-03 | TRNA |
Transmittal of New Application | 3 | View | |
| 2002-01-03 | DRW |
Drawings-only black and white line drawings | 15 | View | |
| 2001-03-27 | TRNA |
Transmittal of New Application | 2 | View | |
| 2001-03-27 | SPEC |
Specification | 29 | View | |
| 2001-03-27 | CLM |
Claims | 5 | View | |
| 2001-03-27 | ABST |
Abstract | 1 | View | |
| 2001-03-27 | DRW |
Drawings-only black and white line drawings | 15 | View |
Inventors
Kevin R. George
Burleson, TX
Stanley Wall
Houston, TX
Marvin Bryce Traweek
Houston, TX
Barry Ed Smith
Carencro, LA
David Joseph Walker
Lafayette, LA
David A. Hebert
Lafayette, LA
Attorneys & Agents of Record
Classification
USPC
166/278
Prosecution
- Examiner
- TSAY, FRANK
- Art Unit
- 3672
- Customer No.
- 33222
- Confirmation No.
- 9228
Publication
- Pub. No.
- US20020062960A1
- Pub. Date
- 2002-05-30
Patent Term Adjustment
-306days
from
BLOWOUT TOOLS, INC.,
CONCENTRIC PIPE AND TOOL RENTALS, L.L.C.,
CONNECTION TECHNOLOGY, L.L.C.,
CSI TECHNOLOGIES, LLC,
FASTORQ, L.L.C.,
PRODUCTION MANAGEMENT INDUSTRIES, L.L.C.,
SUPERIOR ENERGY SERVICES, L.L.C. (SUCCESSOR BY MERGER TO SUPERIOR WELL SERVICES, INC., CARDINAL SERVICES, INC. AND STEERABLE ROTARY TOOLS, INC.)
AMENDED AND RESTATED SECURITY AGREEMENT
Recorded 2012-03-01
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2010-11-22
from
WALKER, DAVID JOSEPH,
HEBERT, DAVID A.,
SMITH, BARRY ED,
WALL, STANLEY,
GEORGE, KEVIN R.,
TRAWEEK, MARVIN BRYCE
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-07-20
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Quick Facts
- Patent No.
- US 6,568,474
- App. No.
- 09/818,298
- Filed
- 2001-03-27
- Granted
- 2003-05-27
- Pub. No.
- US20020062960A1
- Examiner
- TSAY, FRANK
- Art Unit
- 3672
- PTA
- -306 days
External Links