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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
B24B 31/00 C09K 3/14 C23F 1/10 C23F 3/00 C25D 5/34 |
| (11) | Number of the document | 3297 |
| (13) | Kind of document | B |
| (21) | Application number | IP287 |
| (22) | Date of filing the application | 1993-01-20 |
| (41) | Date of publication of the application | 1994-10-25 |
| (45) | Date of publication of patent | 1995-06-26 |
| (30) | Number | Date | Country code |
| 934469 | 1986-11-24 | US | |
| PCT/US87/03093 | 1987-11-20 | WO | |
| 4614297 | 1989-05-23 | SU |
| (71) |
CHEMIMETALS PROCESSING, INC.,
1308 East 4th Street, Charlotte, NC 28204,
US
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| (72) |
Peter G. SHERMAN, LT
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| (73) |
CHEMIMETALS PROCESSING, INC.,
1308 East 4th Street, Charlotte, NC 28204,
US
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| (74) |
Reda ŽABOLIENĖ,
METIDA, Verslo centras "VERTAS", Gynėjų g. 16, LT-01109 Vilnius,
LT
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| (54) | DRY GRANULAR COMPOSITION FOR, AND METHOD OF, POLISHING FERROUS COMPONENTS |
| Payment date | Validity (years) | Amount | |
| 1996-01-19 | 4 | 80.00 USD |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 1997-01-20 |