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
Application number
NL7212740A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of NL7212740A publication Critical patent/NL7212740A/xx

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)
NL7212740A 1972-03-10 1972-09-20 NL7212740A (enrdf_load_stackoverflow)

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 (enrdf_load_stackoverflow) 1973-09-12

Family

ID=22878057

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7212740A NL7212740A (enrdf_load_stackoverflow) 1972-03-10 1972-09-20

Country Status (12)

Country Link
US (1) US3756685A (enrdf_load_stackoverflow)
JP (1) JPS517416B2 (enrdf_load_stackoverflow)
AU (1) AU459100B2 (enrdf_load_stackoverflow)
CA (1) CA971403A (enrdf_load_stackoverflow)
DE (1) DE2247499C3 (enrdf_load_stackoverflow)
DK (1) DK135966B (enrdf_load_stackoverflow)
ES (1) ES407604A1 (enrdf_load_stackoverflow)
FR (1) FR2174820A1 (enrdf_load_stackoverflow)
GB (1) GB1401480A (enrdf_load_stackoverflow)
HK (1) HK20577A (enrdf_load_stackoverflow)
IT (1) IT966360B (enrdf_load_stackoverflow)
NL (1) NL7212740A (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5437297U (enrdf_load_stackoverflow) * 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)

* Cited by examiner, † Cited by third party
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 (enrdf_load_stackoverflow) * 1969-05-16 1974-02-01 Postorino Paolo

Also Published As

Publication number Publication date
FR2174820A1 (enrdf_load_stackoverflow) 1973-10-19
JPS4912942A (enrdf_load_stackoverflow) 1974-02-04
DE2247499C3 (de) 1975-07-10
AU4706772A (en) 1974-04-04
US3756685A (en) 1973-09-04
DE2247499B2 (de) 1974-12-05
DE2247499A1 (de) 1973-09-13
GB1401480A (en) 1975-07-16
DK135966B (da) 1977-07-18
IT966360B (it) 1974-02-11
HK20577A (en) 1977-05-13
CA971403A (en) 1975-07-22
AU459100B2 (en) 1975-03-20
ES407604A1 (es) 1976-01-16
DK135966C (enrdf_load_stackoverflow) 1977-12-12
JPS517416B2 (enrdf_load_stackoverflow) 1976-03-08

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