Granted Patent
Utility
US 6,585,052
· Confirmation No. 4065
CASING CENTRALIZER
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2009-02-25 | N570 |
Communication - Re: Power of Attorney (PTOL-308) | 1 | View | |
| 2009-02-25 | N570 |
Communication - Re: Power of Attorney (PTOL-308) | 1 | View | |
| 2002-09-27 | TRNA |
Transmittal of New Application | 2 | View | |
| 2002-09-27 | A.PE |
Preliminary Amendment | 10 | View | |
| 2002-09-27 | SPEC |
Specification | 8 | View | |
| 2002-09-27 | CLM |
Claims | 1 | View | |
| 2002-09-27 | ABST |
Abstract | 1 | View | |
| 2002-09-27 | DRW |
Drawings-only black and white line drawings | 3 | View | |
| 2002-09-27 | OATH |
Oath or Declaration filed | 3 | View |
Inventors
Per G. Angman
Calgary, CANADA
Robert M. Tessari
Calgary, CANADA
Attorneys & Agents of Record
Classification
USPC
166/380
E21B17/1078
Y10T29/49865
Y10T29/4987
Prosecution
- Examiner
- SCHOEPPEL, ROGER J
- Art Unit
- 3672
- Customer No.
- 74954
- Docket No.
- CBENN.00003
- Confirmation No.
- 4065
Publication
- Pub. No.
- US20030024707A1
- Pub. Date
- 2003-02-06
Patent Term Adjustment
-83days
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Quick Facts
- Patent No.
- US 6,585,052
- App. No.
- 10/255,394
- Filed
- 2002-09-27
- Granted
- 2003-07-01
- Pub. No.
- US20030024707A1
- Examiner
- SCHOEPPEL, ROGER J
- Art Unit
- 3672
- PTA
- -83 days
External Links