Granted Patent
Utility
Small
US 6,769,490
· Confirmation No. 6253
DOWNHOLE SURGE REDUCTION METHOD AND APPARATUS
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2004-06-22 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2002-07-01 | TRNA |
Transmittal of New Application | 2 | View | |
| 2002-07-01 | SPEC |
Specification | 18 | View | |
| 2002-07-01 | CLM |
Claims | 7 | View | |
| 2002-07-01 | ABST |
Abstract | 1 | View | |
| 2002-07-01 | DRW |
Drawings-only black and white line drawings | 7 | View |
Inventors
Attorneys & Agents of Record
Classification
USPC
166/386
E21B34/142
E21B23/042
E21B21/103
Prosecution
- Examiner
- STEPHENSON, DANIEL P
- Art Unit
- 3672
- Customer No.
- 27051
- Docket No.
- 122142.00006
- Confirmation No.
- 6253
Publication
- Pub. No.
- US20040000406A1
- Pub. Date
- 2004-01-01
Patent Term Adjustment
-133days
No related applications found.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2021-03-16
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2003-08-04
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Quick Facts
- Patent No.
- US 6,769,490
- App. No.
- 10/188,356
- Filed
- 2002-07-01
- Granted
- 2004-08-03
- Pub. No.
- US20040000406A1
- Examiner
- STEPHENSON, DANIEL P
- Art Unit
- 3672
- PTA
- -133 days
External Links