BE729906A - - Google Patents
Info
- Publication number
- BE729906A BE729906A BE729906DA BE729906A BE 729906 A BE729906 A BE 729906A BE 729906D A BE729906D A BE 729906DA BE 729906 A BE729906 A BE 729906A
- Authority
- BE
- Belgium
Links
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H33/00—Other toys
- A63H33/22—Optical, colour, or shadow toys
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB02767/68A GB1204402A (en) | 1968-03-15 | 1968-03-15 | Improvements in or relating to optical toys |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE729906A true BE729906A (xx) | 1969-08-18 |
Family
ID=10010759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE729906D BE729906A (xx) | 1968-03-15 | 1969-03-14 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3567306A (xx) |
| BE (1) | BE729906A (xx) |
| CH (1) | CH489256A (xx) |
| DE (1) | DE1912723A1 (xx) |
| ES (1) | ES364843A1 (xx) |
| FR (1) | FR2004106A1 (xx) |
| GB (1) | GB1204402A (xx) |
| NL (1) | NL6903943A (xx) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4989355A (en) * | 1989-05-22 | 1991-02-05 | Robb Thomas | Display card |
| US4952004A (en) * | 1989-06-02 | 1990-08-28 | Steve Baird | Improved kaleidoscopic device |
| US5029954B1 (en) * | 1990-10-31 | 1993-03-09 | Kaleidoscope | |
| WO1994016352A1 (en) * | 1993-01-15 | 1994-07-21 | Lykens Thomas B | System for creating video generated decorative images |
| TWI588789B (zh) * | 2015-10-30 | 2017-06-21 | Edx Education Co Ltd | Mirror reflection phenomenon teaching utensils |
-
1968
- 1968-03-15 GB GB02767/68A patent/GB1204402A/en not_active Expired
- 1968-11-25 US US778718A patent/US3567306A/en not_active Expired - Lifetime
-
1969
- 1969-03-13 FR FR6907112A patent/FR2004106A1/fr not_active Withdrawn
- 1969-03-13 DE DE19691912723 patent/DE1912723A1/de active Pending
- 1969-03-13 CH CH382569A patent/CH489256A/de not_active IP Right Cessation
- 1969-03-14 NL NL6903943A patent/NL6903943A/xx unknown
- 1969-03-14 BE BE729906D patent/BE729906A/xx unknown
- 1969-03-15 ES ES364843A patent/ES364843A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH489256A (de) | 1970-04-30 |
| DE1912723A1 (de) | 1969-10-23 |
| NL6903943A (xx) | 1969-09-17 |
| US3567306A (en) | 1971-03-02 |
| GB1204402A (en) | 1970-09-09 |
| ES364843A1 (es) | 1971-01-01 |
| FR2004106A1 (xx) | 1969-11-21 |