Granted Patent
Utility
US 6,732,806
· Confirmation No. 4924
ONE TRIP EXPANSION APPARATUS FOR USE IN A WELLBORE
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2004-01-23 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2002-01-29 | TRNA |
Transmittal of New Application | 1 | View | |
| 2002-01-29 | SPEC |
Specification | 13 | View | |
| 2002-01-29 | CLM |
Claims | 3 | View | |
| 2002-01-29 | ABST |
Abstract | 1 | View | |
| 2002-01-29 | DRW |
Drawings-only black and white line drawings | 15 | View | |
| 2002-01-29 | OATH |
Oath or Declaration filed | 3 | View |
Inventors
Doran B. Mauldin
Slide, LA
Larry D. Sibley
Slidell, LA
Attorneys & Agents of Record
Classification
USPC
166/380
E21B43/108
E21B34/142
E21B23/01
E21B43/08
E21B43/103
Prosecution
- Examiner
- BOMAR, THOMAS S
- Art Unit
- 3672
- Customer No.
- 36735
- Docket No.
- WEAT/0171
- Confirmation No.
- 4924
Publication
- Pub. No.
- US20030141059A1
- Pub. Date
- 2003-07-31
Patent Term Adjustment
-19days
No related applications found.
PATENT SECURITY INTEREST ASSIGNMENT AGREEMENT
Recorded 2023-04-26
WEATHERFORD TECHNOLOGY HOLDINGS, LLC,
WEATHERFORD NETHERLANDS B.V.,
WEATHERFORD NORGE AS,
HIGH PRESSURE INTEGRITY, INC.,
PRECISION ENERGY SERVICES, INC.,
WEATHERFORD CANADA LTD,
WEATHERFORD SWITZERLAND TRADING AND DEVELOPMENT GMBH,
PRECISION ENERGY SERVICES ULC,
WEATHERFORD U.K. LIMITED
RELEASE OF SECURITY INTEREST
Recorded 2021-10-01
from
HIGH PRESSURE INTEGRITY, INC.,
PRECISION ENERGY SERVICES, INC.,
WEATHERFORD CANADA LTD.,
WEATHERFORD NETHERLANDS B.V.,
WEATHERFORD NORGE AS,
WEATHERFORD SWITZERLAND TRADING AND DEVELOPMENT GMBH,
WEATHERFORD TECHNOLOGY HOLDINGS, LLC,
WEATHERFORD U.K. LIMITED
SECURITY INTEREST
Recorded 2021-10-01
WEATHERFORD TECHNOLOGY HOLDINGS, LLC,
WEATHERFORD NETHERLANDS B.V.,
WEATHERFORD NORGE AS,
HIGH PRESSURE INTEGRITY, INC.,
PRECISION ENERGY SERVICES, INC.,
WEATHERFORD CANADA LTD.,
WEATHERFORD SWITZERLAND TRADING AND DEVELOPMENT GMBH,
PRECISION ENERGY SERVICES ULC,
WEATHERFORD U.K. LIMITED
RELEASE OF SECURITY INTEREST
Recorded 2020-08-28
from
HIGH PRESSURE INTEGRITY, INC.,
PRECISION ENERGY SERVICES ULC,
PRECISION ENERGY SERVICES, INC.,
WEATHERFORD CANADA LTD.,
WEATHERFORD NETHERLANDS B.V.,
WEATHERFORD NORGE AS,
WEATHERFORD SWITZERLAND TRADING AND DEVELOPMENT GMBH,
WEATHERFORD TECHNOLOGY HOLDINGS, LLC,
WEATHERFORD U.K. LIMITED
SECURITY INTEREST
Recorded 2020-08-28
from
HIGH PRESSURE INTEGRITY, INC.,
PRECISION ENERGY SERVICES ULC,
PRECISION ENERGY SERVICES, INC.,
WEATHERFORD CANADA LTD.,
WEATHERFORD NETHERLANDS B.V.,
WEATHERFORD NORGE AS,
WEATHERFORD SWITZERLAND TRADING AND DEVELOPMENT GMBH,
WEATHERFORD TECHNOLOGY HOLDINGS, LLC,
WEATHERFORD U.K. LIMITED
SECURITY INTEREST
Recorded 2019-12-26
from
HIGH PRESSURE INTEGRITY INC.,
PRECISION ENERGY SERVICES INC.,
PRECISION ENERGY SERVICES ULC,
WEATHERFORD CANADA LTD.,
WEATHERFORD NETHERLANDS B.V.,
WEATHERFORD NORGE AS,
WEATHERFORD SWITZERLAND TRADING AND DEVELOPMENT GMBH,
WEATHERFORD TECHNOLOGY HOLDINGS LLC,
WEATHERFORD U.K. LIMITED
SECURITY INTEREST
Recorded 2019-12-18
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2014-12-04
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2002-04-22
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Quick Facts
- Patent No.
- US 6,732,806
- App. No.
- 10/060,029
- Filed
- 2002-01-29
- Granted
- 2004-05-11
- Pub. No.
- US20030141059A1
- Examiner
- BOMAR, THOMAS S
- Art Unit
- 3672
- PTA
- -19 days
External Links