| Number | Date | Country | Kind |
|---|---|---|---|
| RM93A0185 | Mar 1993 | ITX |
| Filing Document | Filing Date | Country | Kind | 102e Date | 371c Date |
|---|---|---|---|---|---|
| PCT/IT93/00076 | 7/20/1993 | 10/17/1994 | 10/17/1994 |
| Publishing Document | Publishing Date | Country | Kind |
|---|---|---|---|
| WO94/21342 | 9/29/1994 |
| Number | Name | Date | Kind |
|---|---|---|---|
| 3656755 | Thompson | Apr 1972 | |
| 3806124 | Ippen et al. | Apr 1974 | |
| 4019743 | Castanis | Apr 1977 | |
| 4883278 | Scott | Nov 1989 | |
| 5031917 | Greene | Jul 1991 | |
| 5033751 | Ching | Jul 1991 | |
| 5338040 | Cutler | Aug 1994 |
| Entry |
|---|
| "Three-Dimensional Chess", Time, Feb. 4, 1952, p. #15, copy in 273/241. |
| "Space Chess", Sears, Jan. 1976, copy in 273/241. |