Granted Patent
Utility
US 6,543,533
· Confirmation No. 5201
WELL TUBING ROTATOR
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2001-03-02 | TRNA |
Transmittal of New Application | 3 | View | |
| 2001-03-02 | SPEC |
Specification | 17 | View | |
| 2001-03-02 | CLM |
Claims | 10 | View | |
| 2001-03-02 | ABST |
Abstract | 1 | View | |
| 2001-03-02 | DRW |
Drawings-only black and white line drawings | 3 | View | |
| 2001-03-02 | OATH |
Oath or Declaration filed | 2 | View | |
| 2001-03-02 | TRNA |
Transmittal of New Application | 3 | View | |
| 2001-03-02 | SPEC |
Specification | 17 | View | |
| 2001-03-02 | CLM |
Claims | 10 | View | |
| 2001-03-02 | ABST |
Abstract | 1 | View | |
| 2001-03-02 | DRW |
Drawings-only black and white line drawings | 3 | View | |
| 2001-03-02 | OATH |
Oath or Declaration filed | 2 | View |
Inventors
Robert K. Meek
Bakersfield, CA
Rex E. Duhn
Bakersfield, CA
Attorneys & Agents of Record
Classification
USPC
166/78.1
Prosecution
- Examiner
- STEPHENSON, DANIEL P
- Art Unit
- 3672
- Customer No.
- 23363
- Docket No.
- 40871/CM/D190
- Confirmation No.
- 5201
Publication
- Pub. No.
- US20020121367A1
- Pub. Date
- 2002-09-05
Patent Term Adjustment
-123days
No related applications found.
CORRECTIVE ASSIGNMENT TO CORRECT THE INCORRECT PATENT NO. 7332407 PREVIOUSLY RECORDED AT REEL: 027387 FRAME: 0620. ASSIGNOR(S) HEREBY CONFIRMS THE RELEASE BY SECURED PARTY.
Recorded 2017-06-12
CORRECTIVE ASSIGNMENT TO CORRECT THE PATENT NO 7332407 PREVIOUSLY RECORDED AT REEL: 027388 FRAME: 0790. ASSIGNOR(S) HEREBY CONFIRMS THE RELEASE BY SECURED PARTY.
Recorded 2017-06-12
RELEASE OF SECURITY INTEREST
Recorded 2011-12-15
RELEASE OF SECURITY INTEREST
Recorded 2011-12-15
RELEASE OF SECURITY INTEREST
Recorded 2011-11-22
SUPPLEMENT TO PATENT SECURITY AGREEMENT
Recorded 2011-11-22
from
DUHN OIL TOOL, INC.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2011-11-18
from
DUHN OIL TOOL, INC
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2008-02-01
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-03-02
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Quick Facts
- Patent No.
- US 6,543,533
- App. No.
- 09/798,436
- Filed
- 2001-03-02
- Granted
- 2003-04-08
- Pub. No.
- US20020121367A1
- Examiner
- STEPHENSON, DANIEL P
- Art Unit
- 3672
- PTA
- -123 days
External Links