NL7212740A - - Google Patents
Info
- Publication number
- NL7212740A NL7212740A NL7212740A NL7212740A NL7212740A NL 7212740 A NL7212740 A NL 7212740A NL 7212740 A NL7212740 A NL 7212740A NL 7212740 A NL7212740 A NL 7212740A NL 7212740 A NL7212740 A NL 7212740A
- Authority
- NL
- Netherlands
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/02—Viewing or reading apparatus
- G02B27/08—Kaleidoscopes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Toys (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US23363072A | 1972-03-10 | 1972-03-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7212740A true NL7212740A (en:Method) | 1973-09-12 |
Family
ID=22878057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7212740A NL7212740A (en:Method) | 1972-03-10 | 1972-09-20 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3756685A (en:Method) |
| JP (1) | JPS517416B2 (en:Method) |
| AU (1) | AU459100B2 (en:Method) |
| CA (1) | CA971403A (en:Method) |
| DE (1) | DE2247499C3 (en:Method) |
| DK (1) | DK135966B (en:Method) |
| ES (1) | ES407604A1 (en:Method) |
| FR (1) | FR2174820A1 (en:Method) |
| GB (1) | GB1401480A (en:Method) |
| HK (1) | HK20577A (en:Method) |
| IT (1) | IT966360B (en:Method) |
| NL (1) | NL7212740A (en:Method) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5437297U (en:Method) * | 1977-08-18 | 1979-03-10 | ||
| JPS54118558A (en) * | 1978-02-16 | 1979-09-14 | Westinghouse Electric Corp | Fuse device |
| US4205893A (en) * | 1978-08-07 | 1980-06-03 | Steven Manufacturing Company | Kaleidoscope |
| US4740046A (en) * | 1986-05-27 | 1988-04-26 | Maccarthy Patrick | Liquid kaleidoscope |
| CA1264791A (fr) * | 1987-03-20 | 1990-01-23 | Vojislav Narancic | Fusible ayant un corps extincteur d'arc en ceramique rigide non poreuse et methode de fabrication de ce fusible |
| US5054865A (en) * | 1990-10-22 | 1991-10-08 | Stanley Huang | Multi-ocular kaleidoscope |
| AU618514B3 (en) * | 1991-04-22 | 1991-10-28 | Clement Robert Cook | Meditational kaleidoscope |
| US6461216B1 (en) | 2000-08-31 | 2002-10-08 | John T. Applewhite | Toy device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1078008A (en) * | 1912-12-23 | 1913-11-11 | Turney G Stough | Kaleidoscope. |
| US2583676A (en) * | 1950-07-11 | 1952-01-29 | Clifford A Wendel | Color scope |
| US3039356A (en) * | 1959-11-04 | 1962-06-19 | Robert E Knittel | Kaleidoscopes |
| US3383150A (en) * | 1965-08-11 | 1968-05-14 | Edgar A. Powers | Kaleidoscopic viewing device |
| US3514178A (en) * | 1967-07-10 | 1970-05-26 | Gen Mills Inc | Kaleidoscope |
| FR2064047B1 (en:Method) * | 1969-05-16 | 1974-02-01 | Postorino Paolo |
-
1972
- 1972-03-10 US US00233630A patent/US3756685A/en not_active Expired - Lifetime
- 1972-09-20 NL NL7212740A patent/NL7212740A/xx unknown
- 1972-09-21 GB GB4386072A patent/GB1401480A/en not_active Expired
- 1972-09-26 AU AU47067/72A patent/AU459100B2/en not_active Expired
- 1972-09-28 DE DE2247499A patent/DE2247499C3/de not_active Expired
- 1972-10-13 FR FR7236364A patent/FR2174820A1/fr not_active Withdrawn
- 1972-10-13 ES ES407604A patent/ES407604A1/es not_active Expired
- 1972-10-13 JP JP47103153A patent/JPS517416B2/ja not_active Expired
- 1972-10-13 DK DK505472AA patent/DK135966B/da unknown
- 1972-10-16 IT IT53401/72A patent/IT966360B/it active
- 1972-10-19 CA CA154,310A patent/CA971403A/en not_active Expired
-
1977
- 1977-05-05 HK HK205/77A patent/HK20577A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2174820A1 (en:Method) | 1973-10-19 |
| DE2247499B2 (de) | 1974-12-05 |
| US3756685A (en) | 1973-09-04 |
| DK135966B (da) | 1977-07-18 |
| DE2247499A1 (de) | 1973-09-13 |
| GB1401480A (en) | 1975-07-16 |
| CA971403A (en) | 1975-07-22 |
| HK20577A (en) | 1977-05-13 |
| IT966360B (it) | 1974-02-11 |
| ES407604A1 (es) | 1976-01-16 |
| AU459100B2 (en) | 1975-03-20 |
| DE2247499C3 (de) | 1975-07-10 |
| JPS517416B2 (en:Method) | 1976-03-08 |
| AU4706772A (en) | 1974-04-04 |
| JPS4912942A (en:Method) | 1974-02-04 |
| DK135966C (en:Method) | 1977-12-12 |