Granted Patent
Utility
US 6,457,529
· Confirmation No. 5396
APPARATUS AND METHOD FOR RETURNING DRILLING FLUID FROM A SUBSEA WELLBORE
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2001-05-07 | DRW |
Drawings-only black and white line drawings | 2 | View | |
| 2001-02-16 | TRNA |
Transmittal of New Application | 4 | View | |
| 2001-02-16 | SPEC |
Specification | 10 | View | |
| 2001-02-16 | CLM |
Claims | 13 | View | |
| 2001-02-16 | ABST |
Abstract | 1 | View | |
| 2001-02-16 | DRW |
Drawings-only black and white line drawings | 2 | View | |
| 2001-02-16 | OATH |
Oath or Declaration filed | 2 | View |
Inventors
Attorneys & Agents of Record
Classification
USPC
175/5
Prosecution
- Examiner
- BEACH, THOMAS A
- Art Unit
- 3671
- Docket No.
- 174-99021
- Confirmation No.
- 5396
Publication
- Pub. No.
- US20010050185A1
- Pub. Date
- 2001-12-13
Patent Term Adjustment
0days
from
ABB VETCO GRAY INC.
SECURITY AGREEMENT
Recorded 2004-10-06
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-02-16
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Quick Facts
- Patent No.
- US 6,457,529
- App. No.
- 09/788,058
- Filed
- 2001-02-16
- Granted
- 2002-10-01
- Pub. No.
- US20010050185A1
- Examiner
- BEACH, THOMAS A
- Art Unit
- 3671
- PTA
- 0 days
External Links