Granted Patent
Utility
US 6,653,839
· Confirmation No. 8693
ELECTRICAL MEASUREMENT APPARATUS AND METHOD FOR MEASURING AN ELECTRICAL CHARACTERISTIC OF AN EARTH FORMATION
|
⬇ PDF
|
Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2003-09-12 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2003-09-12 | LET. |
Miscellaneous Incoming Letter | 2 | View | |
| 2003-09-12 | DRW |
Drawings-only black and white line drawings | 3 | View | |
| 2003-06-23 | LET. |
Miscellaneous Incoming Letter | 1 | View | |
| 2003-06-23 | FRPR |
Certified Copy of Foreign Priority Application | 52 | View | |
| 2001-12-28 | TRNA |
Transmittal of New Application | 3 | View | |
| 2001-12-28 | SPEC |
Specification | 22 | View | |
| 2001-12-28 | CLM |
Claims | 15 | View | |
| 2001-12-28 | ABST |
Abstract | 1 | View | |
| 2001-12-28 | DRW |
Drawings-only black and white line drawings | 3 | View | |
| 2001-12-28 | OATH |
Oath or Declaration filed | 2 | View |
Inventors
Michael Andrew Yuratich
Hamble, UNITED KINGDOM
Andrew David Jewell
Great Hollands, UNITED KINGDOM
Attorneys & Agents of Record
Classification
USPC
324/351
G01V3/24
Prosecution
- Examiner
- KINDER, DARRELL D
- Art Unit
- 2862
- Customer No.
- 35033
- Docket No.
- 6475.37021
- Confirmation No.
- 8693
Foreign Priority
0109882.1
·
2001-04-23
·
UNITED KINGDOM
Publication
- Pub. No.
- US20020153896A1
- Pub. Date
- 2002-10-24
Patent Term Adjustment
-122days
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 2002-03-05
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this application's details
Quick Facts
- Patent No.
- US 6,653,839
- App. No.
- 10/032,981
- Filed
- 2001-12-28
- Granted
- 2003-11-25
- Pub. No.
- US20020153896A1
- Examiner
- KINDER, DARRELL D
- Art Unit
- 2862
- PTA
- -122 days
External Links