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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
F23C 1/00 F23C 6/00 F23C 10/00 F23K 1/00 |
| (11) | Number of the document | 2297 |
| (13) | Kind of document | B |
| (21) | Application number | RP906 |
| (22) | Date of filing the application | 1993-08-30 |
| (41) | Date of publication of the application | |
| (45) | Date of publication of patent | 1993-12-15 |
| (86) | Number | 1732821 |
| Date | 1989-07-14 |
| (30) | Number | Date | Country code |
| 46 45/87 | 1987-11-17 | HU | |
| PCT/HU88/00070 | 1988-10-27 | WO |
| (71) |
Villamosenergiaipari Kutato Intezet,
Zrinyi u. 1, 1051 Budapest,
HU
Vertesi Eromu Rt., Pf. 23, 2841 Oroszlany, HU |
| (72) |
Laszlo BOROSS, HU
Sandor KOVACS, HU Karoly REMENYI, HU Pal RESCH, HU Laszlo VOROS, HU Ferenc HORVATH, HU Tibor GERLAI, HU |
| (73) |
Villamosenergiaipari Kutato Intezet,
Zrinyi u. 1, 1051 Budapest,
HU
Vertesi Eromu Rt., Pf. 23, 2841 Oroszlany, HU |
| (74) |
Rita LAURINAVIČIŪTĖ,
Gedimino pr. 45-6, LT-01109 Vilnius,
LT
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| (54) |
| Payment date | Validity (years) | Amount | |
| 1996-07-18 | 6 | 160.00 USD |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 1997-08-30 |