|
|
|
|
|
Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
A01N 47/28 |
| (11) | Number of the document | 3009 |
| (13) | Kind of document | B |
| (21) | Application number | IP345 |
| (22) | Date of filing the application | 1993-02-19 |
| (41) | Date of publication of the application | 1994-04-25 |
| (45) | Date of publication of patent | 1994-08-25 |
| (30) | Number | Date | Country code |
| 838590 | 1992-02-19 | US |
| (71) |
E.I. Du Pont de Nemours and Company,
1007 Market Street, Wilmington, Delaware 19898,
US
|
| (72) |
Luann Marshall PUGH, US
|
| (73) |
E.I. Du Pont de Nemours and Company,
1007 Market Street, Wilmington, Delaware 19898,
US
|
| (74) |
Liudmila GERASIMOVIČ,
IĮ "Liudmila Gerasimovič, Patentinis patikėtinis", Vingrių g. 13-42, LT-01141 Vilnius,
LT
|
| (54) | METHOD FOR SPRAY TANK CLEANOUT |
| Payment date | Validity (years) | Amount | |
| 1996-02-09 | 4 | 80.00 USD |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 1997-02-19 |