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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
C07C 321/00 |
| (11) | Number of the document | 2074 |
| (13) | Kind of document | B |
| (21) | Application number | RP250 |
| (22) | Date of filing the application | 1992-12-22 |
| (41) | Date of publication of the application | |
| (45) | Date of publication of patent | 1993-06-15 |
| (86) | Number | 1428193 |
| Date | 1984-11-13 |
| (30) | Number | Date | Country code |
| 550857 | 1983-11-14 | US |
| (71) |
Novus International, Inc.,
530 Maryville Centre Drive, St. Louis, Missouri 63141,
US
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| (72) |
Dennis Arthur RUEST, US
Masharu TAKANO, US Lawrence Russell WOLF, US |
| (73) |
Novus International, Inc.,
530 Maryville Centre Drive, St. Louis, Missouri 63141,
US
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| (74) |
Liudmila GERASIMOVIČ,
IĮ "Liudmila Gerasimovič, Patentinis patikėtinis", Vingrių g. 13-42, LT-01141 Vilnius,
LT
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| (54) |
| Payment date | Validity (years) | Amount | |
| 1994-11-22 | 5 | 250.00 USD |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 1995-12-22 |