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Legal status
Patent expired
| (51) | INT.CL.: (2006.01) |
A24D 3/00 |
| (11) | Number of the document | 2020 |
| (13) | Kind of document | B |
| (21) | Application number | RP172 |
| (22) | Date of filing the application | 1992-10-30 |
| (41) | Date of publication of the application | |
| (45) | Date of publication of patent | 1993-03-22 |
| (86) | Number | 1192595 |
| Date | 1981-07-10 |
| (30) | Number | Date | Country code |
| 167554 | 1980-07-11 | US |
| (71) |
Brown and Williamson Tobacco Corporation,
1500 Brown and Williamson Tower, Louisville Galleria Louisville, Kentucky 40202,
US
|
| (72) |
John H. SEXSTONE, US
Robert T. LEWIS, US Kenneth M. MILLINER, US |
| (73) |
Brown and Williamson Tobacco Corporation,
1500 Brown and Williamson Tower, Louisville Galleria Louisville, Kentucky 40202,
US
|
| (74) |
Vytautas DOVYDĖNAS,
V. Grybo g. 41-38, LT-10320 Vilnius,
LT
|
| (54) |
| Payment date | Validity (years) | Amount | |
| 1995-09-19 | 6 | 250.00 USD |
| 1998-10-30 |
| Patent expired | ||
| Invalidation date | 1996-07-10 |