GB1257747A - - Google Patents

Info

Publication number
GB1257747A
GB1257747A GB1257747DA GB1257747A GB 1257747 A GB1257747 A GB 1257747A GB 1257747D A GB1257747D A GB 1257747DA GB 1257747 A GB1257747 A GB 1257747A
Authority
GB
United Kingdom
Prior art keywords
container
tube
fixed
chambers
divided
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
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 GB1257747A publication Critical patent/GB1257747A/en
Expired legal-status Critical Current

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)
GB1257747D 1969-05-16 1970-05-14 Expired GB1257747A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT163669 1969-05-16

Publications (1)

Publication Number Publication Date
GB1257747A true GB1257747A (enrdf_load_stackoverflow) 1971-12-22

Family

ID=11101842

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1257747D Expired GB1257747A (enrdf_load_stackoverflow) 1969-05-16 1970-05-14

Country Status (4)

Country Link
DE (1) DE7017920U (enrdf_load_stackoverflow)
ES (1) ES158500Y (enrdf_load_stackoverflow)
FR (1) FR2064047B1 (enrdf_load_stackoverflow)
GB (1) GB1257747A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4912942A (enrdf_load_stackoverflow) * 1972-03-10 1974-02-04
JPS5092725U (enrdf_load_stackoverflow) * 1973-12-25 1975-08-05
JPS5437297U (enrdf_load_stackoverflow) * 1977-08-18 1979-03-10

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4912942A (enrdf_load_stackoverflow) * 1972-03-10 1974-02-04
JPS5092725U (enrdf_load_stackoverflow) * 1973-12-25 1975-08-05
JPS5437297U (enrdf_load_stackoverflow) * 1977-08-18 1979-03-10

Also Published As

Publication number Publication date
ES158500Y (es) 1971-08-01
DE7017920U (de) 1970-10-08
FR2064047A1 (enrdf_load_stackoverflow) 1971-07-16
FR2064047B1 (enrdf_load_stackoverflow) 1974-02-01
ES158500U (es) 1970-08-16

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees