Granted Patent
Utility
US 6,668,656
· Confirmation No. 6897
OPTICAL SENSOR HAVING DIFFERING DIAMETERS
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2017-09-29 | OATH |
Oath or Declaration filed | 24 | View | |
| 2003-08-01 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2003-08-01 | LET. |
Miscellaneous Incoming Letter | 1 | View | |
| 2003-08-01 | OATH |
Oath or Declaration filed | 5 | View | |
| 2002-07-09 | TRNA |
Transmittal of New Application | 4 | View | |
| 2002-07-09 | A.PE |
Preliminary Amendment | 101 | View | |
| 2002-07-09 | SPEC |
Specification | 37 | View | |
| 2002-07-09 | CLM |
Claims | 9 | View | |
| 2002-07-09 | ABST |
Abstract | 1 | View | |
| 2002-07-09 | DRW |
Drawings-only black and white line drawings | 11 | View | |
| 2002-07-09 | OATH |
Oath or Declaration filed | 5 | View |
Inventors
Mark R. Fernald
Enfield, CT
Timothy J. Bailey
Longmeadow, MA
Matthew B. Miller
Glastonbury, CT
James M. Sullivan
Manchester, CT
James R. Dunphy
South Glastonbury, CT
Michael A. Davis
Glastonbury, CT
Christopher J. Wright
Amston, CT
Alan D. Kersey
South Glastonbury, CT
Martin A. Putnam
Cheshire, CT
Robert N. Brucato
Waterbury, CT
Paul E. Sanders
Madison, CT
Attorneys & Agents of Record
Classification
USPC
73/705
G01L11/025
Prosecution
- Examiner
- OEN, WILLIAM L
- Art Unit
- 2855
- Docket No.
- WEAF:103-1/LWT
- Confirmation No.
- 6897
Publication
- Pub. No.
- US20020194917A1
- Pub. Date
- 2002-12-26
Patent Term Adjustment
0days
Parent
is a Continuation of
→
App. 09/455,867
· US 6,422,084
Filed 1999-12-06
· Patented Case
Parent
is a Continuation in-part of
→
App. 09/399,404
Filed 1999-09-20
· Expressly Abandoned -- During Examination
Parent
is a Continuation in-part of
→
App. 09/205,944
Filed 1998-12-04
· Expressly Abandoned -- During Examination
Child
is a Continuation of
→
App. 10/646,368
· US 6,820,489
Filed 2003-08-22
· Patented Case
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
RELEASE AND REASSIGNMENT OF PATENTS
Recorded 2017-09-29
PATENT COLLATERAL ASSIGNMENT AND SECURITY AGREEMENT
Recorded 2015-10-08
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2014-12-04
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Quick Facts
- Patent No.
- US 6,668,656
- App. No.
- 10/191,710
- Filed
- 2002-07-09
- Granted
- 2003-12-30
- Pub. No.
- US20020194917A1
- Examiner
- OEN, WILLIAM L
- Art Unit
- 2855
- PTA
- 0 days
External Links