Granted Patent
Utility
US 6,551,489
· Confirmation No. 3386
RETROFIT ALUMINUM SMELTING CELLS USING INERT ANODES AND METHOD
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2001-01-12 | TRNA |
Transmittal of New Application | 2 | View | |
| 2001-01-12 | ADS |
Application Data Sheet | 2 | View | |
| 2001-01-12 | SPEC |
Specification | 4 | View | |
| 2001-01-12 | CLM |
Claims | 2 | View | |
| 2001-01-12 | ABST |
Abstract | 1 | View | |
| 2001-01-12 | DRW |
Drawings-only black and white line drawings | 3 | View | |
| 2001-01-12 | TRNA |
Transmittal of New Application | 2 | View | |
| 2001-01-12 | ADS |
Application Data Sheet | 2 | View | |
| 2001-01-12 | SPEC |
Specification | 4 | View | |
| 2001-01-12 | CLM |
Claims | 2 | View | |
| 2001-01-12 | ABST |
Abstract | 1 | View | |
| 2001-01-12 | DRW |
Drawings-only black and white line drawings | 3 | View |
Inventors
LeRoy E. D'Astolfo JR.
Lower Burrell, PA
Giuseppe Lazzaro
Sardinia, ITALY
Attorneys & Agents of Record
Classification
USPC
205/289
Prosecution
- Examiner
- VALENTINE, DONALD R
- Art Unit
- 1741
- Docket No.
- 99-2338
- Confirmation No.
- 3386
Publication
- Pub. No.
- US20010035344A1
- Pub. Date
- 2001-11-01
Patent Term Adjustment
-140days
from
ALCOA USA CORP.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2019-03-18
from
ALCOA USA CORP.
SECURITY INTEREST
Recorded 2017-01-27
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-04-30
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Quick Facts
- Patent No.
- US 6,551,489
- App. No.
- 09/759,949
- Filed
- 2001-01-12
- Granted
- 2003-04-22
- Pub. No.
- US20010035344A1
- Examiner
- VALENTINE, DONALD R
- Art Unit
- 1741
- PTA
- -140 days
External Links