Number | Date | Country | Kind |
---|---|---|---|
41 16 615.9 | May 1991 | DEX | |
41 35 498.2 | Oct 1991 | DEX |
Filing Document | Filing Date | Country | Kind | 102e Date | 371c Date |
---|---|---|---|---|---|
PCT/EP92/01070 | 5/15/1992 | 11/19/1993 | 11/19/1993 |
Publishing Document | Publishing Date | Country | Kind |
---|---|---|---|
WO92/20483 | 11/26/1992 |
Number | Name | Date | Kind |
---|---|---|---|
3816018 | Hlocky | Jun 1974 | |
3942905 | Gill et al. | Mar 1976 | |
3963365 | Shallenberger et al. | Jun 1976 | |
4248555 | Satou | Feb 1981 | |
4264246 | Lowis et al. | Apr 1981 | |
4353670 | Jorgensen | Oct 1982 |
Number | Date | Country |
---|---|---|
915668 | Nov 1946 | FRX |
1224211 | Jun 1960 | FRX |
3234238 | Mar 1984 | DEX |
579356 | Jul 1958 | ITX |
567630 | Feb 1945 | GBX |
1509194 | Sep 1989 | SUX |
Entry |
---|
"Wendeplattenbohrer Fur Grosse Bohrtiefen", by Ulrich Krenzer, Werkeuge (Aug., 1990), pp. 38-40. |