Granted Patent
Utility
US 6,675,898
· Confirmation No. 4829
METHOD FOR PREVENTING CRITICAL ANNULAR PRESSURE BUILDUP
Inventor:
John J. Staudt
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2003-10-24 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2003-10-24 | LET. |
Miscellaneous Incoming Letter | 1 | View | |
| 2002-09-25 | TRNA |
Transmittal of New Application | 2 | View | |
| 2002-09-25 | DRW |
Drawings-only black and white line drawings | 5 | View | |
| 2002-08-13 | TRNA |
Transmittal of New Application | 2 | View | |
| 2002-08-13 | A.PE |
Preliminary Amendment | 6 | View | |
| 2002-08-13 | SPEC |
Specification | 14 | View | |
| 2002-08-13 | CLM |
Claims | 3 | View | |
| 2002-08-13 | ABST |
Abstract | 1 | View | |
| 2002-08-13 | DRW |
Drawings-only black and white line drawings | 5 | View | |
| 2002-08-13 | OATH |
Oath or Declaration filed | 4 | View | |
| 2002-08-13 | LET. |
Miscellaneous Incoming Letter | 1 | View |
Inventors
John J. Staudt
Friendswood, TX
Attorneys & Agents of Record
Classification
USPC
166/363
E21B41/0021
E21B17/08
E21B34/06
Prosecution
- Examiner
- DANG, HOANG C
- Art Unit
- 3672
- Docket No.
- 0638CG-45-DIV
- Confirmation No.
- 4829
Publication
- Pub. No.
- US20030010503A1
- Pub. Date
- 2003-01-16
Patent Term Adjustment
-126days
NUNC PRO TUNC ASSIGNMENT
Recorded 2019-09-24
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2002-10-21
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Quick Facts
- Patent No.
- US 6,675,898
- App. No.
- 10/217,874
- Filed
- 2002-08-13
- Granted
- 2004-01-13
- Pub. No.
- US20030010503A1
- Examiner
- DANG, HOANG C
- Art Unit
- 3672
- PTA
- -126 days
External Links