KR890018905U - magic glass - Google Patents

magic glass

Info

Publication number
KR890018905U
KR890018905U KR2019880003271U KR880003271U KR890018905U KR 890018905 U KR890018905 U KR 890018905U KR 2019880003271 U KR2019880003271 U KR 2019880003271U KR 880003271 U KR880003271 U KR 880003271U KR 890018905 U KR890018905 U KR 890018905U
Authority
KR
South Korea
Prior art keywords
magic glass
magic
glass
Prior art date
Application number
KR2019880003271U
Other languages
Korean (ko)
Other versions
KR910009273Y1 (en
Inventor
김갑생
Original Assignee
김갑생
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 by 김갑생 filed Critical 김갑생
Priority to KR2019880003271U priority Critical patent/KR910009273Y1/en
Publication of KR890018905U publication Critical patent/KR890018905U/en
Application granted granted Critical
Publication of KR910009273Y1 publication Critical patent/KR910009273Y1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63J—DEVICES FOR THEATRES, CIRCUSES, OR THE LIKE; CONJURING APPLIANCES OR THE LIKE
    • A63J15/00—Peep-shows, e.g. raree-shows; Kaleidoscopic or other opalescence exhibitions
    • 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)
KR2019880003271U 1988-03-11 1988-03-11 A magic glass KR910009273Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019880003271U KR910009273Y1 (en) 1988-03-11 1988-03-11 A magic glass

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019880003271U KR910009273Y1 (en) 1988-03-11 1988-03-11 A magic glass

Publications (2)

Publication Number Publication Date
KR890018905U true KR890018905U (en) 1989-10-05
KR910009273Y1 KR910009273Y1 (en) 1991-12-05

Family

ID=19273127

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019880003271U KR910009273Y1 (en) 1988-03-11 1988-03-11 A magic glass

Country Status (1)

Country Link
KR (1) KR910009273Y1 (en)

Also Published As

Publication number Publication date
KR910009273Y1 (en) 1991-12-05

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
NORF Unpaid initial registration fee