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EP0028602
European procedure
Extract from the Register of European Patents
| Type |  Patent family member | Publication No. | Date | Type | DE3066118D1 | 23.02.1984 | D1 | Priority number | Date | US4268579 | 25.05.1979 | US8000030 | 15.01.1980 | Type | Patent family member | Publication No. | Date | Type | JPS6325058Y | 08.07.1988 | Y2 | JPS56500001U | 30.04.1981 | U | Priority number | Date | US4268579 | 25.05.1979 | US8000030 | 15.01.1980 | Type |  Equivalent | Publication No. | Date | Type | WO8002669 |  Global Dossier
| 11.12.1980 | A1 | Priority number | Date | US4268579 | 25.05.1979 | Type | Equivalent | Publication No. | Date | Type | EP0028602 | Global Dossier
| 18.01.1984 | B1 | EP0028602 | 27.10.1981 | A4 | EP0028602 | 20.05.1981 | A1 | Priority number | Date | US4268579 | 25.05.1979 | Type | Equivalent | Publication No. | Date | Type | CA1116385 | 19.01.1982 | A | Priority number | Date | US4268579 | 25.05.1979 | Type | Equivalent | Publication No. | Date | Type | US4278370 | 14.07.1981 | A | Priority number | Date | US4268579 | 25.05.1979 |