Granted Patent
Utility
US 6,588,510
· Confirmation No. 8256
COIL TUBING HANGER SYSTEM
Inventors
Gary A. Card
Bakersfield, CA
Robert K. Meek
Bakersfield, CA
Attorneys & Agents of Record
Classification
USPC
166/382
E21B33/0422
Prosecution
- Examiner
- SCHOEPPEL, ROGER J
- Art Unit
- 3672
- Customer No.
- 23363
- Docket No.
- 40872/CM/D190
- Confirmation No.
- 8256
Publication
- Pub. No.
- US20030051884A1
- Pub. Date
- 2003-03-20
Patent Term Adjustment
-61days
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 2001-09-17
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Quick Facts
- Patent No.
- US 6,588,510
- App. No.
- 09/954,354
- Filed
- 2001-09-17
- Granted
- 2003-07-08
- Pub. No.
- US20030051884A1
- Examiner
- SCHOEPPEL, ROGER J
- Art Unit
- 3672
- PTA
- -61 days
External Links