Granted Patent
Utility
Small
US 6,820,421
· Confirmation No. 5447
LOW TEMPERATURE GEOTHERMAL SYSTEM
Inventor:
Alexander I. Kalina
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2004-01-20 | IFEE |
Issue Fee Payment (PTO-85B) | 2 | View | |
| 2004-01-20 | DRW |
Drawings-only black and white line drawings | 5 | View | |
| 2002-09-23 | TRNA |
Transmittal of New Application | 4 | View | |
| 2002-09-23 | SPEC |
Specification | 10 | View | |
| 2002-09-23 | CLM |
Claims | 11 | View | |
| 2002-09-23 | ABST |
Abstract | 1 | View | |
| 2002-09-23 | DRW |
Drawings-only black and white line drawings | 5 | View |
Inventors
Alexander I. Kalina
Hillsborough, CA
Classification
USPC
60/649
F01K25/065
Prosecution
- Examiner
- RICHTER, SHELDON J
- Art Unit
- 3748
- Docket No.
- 02019/02UTL
- Confirmation No.
- 5447
Publication
- Pub. No.
- US20040055302A1
- Pub. Date
- 2004-03-25
Patent Term Adjustment
-177days
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Quick Facts
- Patent No.
- US 6,820,421
- App. No.
- 10/252,744
- Filed
- 2002-09-23
- Granted
- 2004-11-23
- Pub. No.
- US20040055302A1
- Examiner
- RICHTER, SHELDON J
- Art Unit
- 3748
- PTA
- -177 days
External Links