NL83931C - - Google Patents
Info
- Publication number
- NL83931C NL83931C NL83931DA NL83931C NL 83931 C NL83931 C NL 83931C NL 83931D A NL83931D A NL 83931DA NL 83931 C NL83931 C NL 83931C
- Authority
- NL
- Netherlands
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 |
|---|---|---|---|
| FR2781595X | 1953-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL83931C true NL83931C (en:Method) |
Family
ID=9688698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL83931D NL83931C (en:Method) | 1953-03-30 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2781595A (en:Method) |
| NL (1) | NL83931C (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3509651A (en) * | 1966-01-03 | 1970-05-05 | Itek Corp | Optical viewer |
| US3710488A (en) * | 1970-11-25 | 1973-01-16 | Eastman Kodak Co | Microfiche viewing device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2304327A (en) * | 1942-12-08 | Calculator | ||
| US564211A (en) * | 1896-07-21 | Drawing-slate | ||
| US1553906A (en) * | 1921-09-28 | 1925-09-15 | Pathe Cinema | Picture-strip toy |
| US2239187A (en) * | 1938-01-19 | 1941-04-22 | Becker Charles | Apparatus for temporarily rendering secondary representations visible on a transparent primary representation |
-
0
- NL NL83931D patent/NL83931C/xx active
-
1954
- 1954-03-26 US US419036A patent/US2781595A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2781595A (en) | 1957-02-19 |