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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
G09B 23/00 |
| (11) | Number of the document | 4813 |
| (13) | Kind of document | B |
| (21) | Application number | 99-098 |
| (22) | Date of filing the application | 1999-08-04 |
| (41) | Date of publication of the application | 2001-02-26 |
| (45) | Date of publication of patent | 2001-07-25 |
| (71) |
EXERGY, INC,
22320 Foothill Boulevard, Suite 540, Hayward, California 94541,
US
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| (72) |
Alexander I. KALINA, US
Richard I. PELLETIER, US Lawrence B. RHODES, US |
| (73) |
EXERGY, INC,
22320 Foothill Boulevard, Suite 540, Hayward, California 94541,
US
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| (74) |
Rita LAURINAVIČIŪTĖ,
Gedimino pr. 45-6, LT-01109 Vilnius,
LT
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| (54) | METHOD AND APPARATUS OF CONVERTING HEAT TO USEFUL ENERGY |
| Payment date | Validity (years) | Amount | |
| 2001-07-23 | 3 | 280.00 LTL |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 2002-08-04 |