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.)
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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to FR7403589ApriorityCriticalpatent/FR2236201A1/fr
Publication of FR2236201A1publicationCriticalpatent/FR2236201A1/fr
Application grantedgrantedCritical
Publication of FR2236201B3publicationCriticalpatent/FR2236201B3/fr
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
G02B27/022—Viewing apparatus
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Optics & Photonics
(AREA)
Displays For Variable Information Using Movable Means
(AREA)
Toys
(AREA)
FR7403589A1974-02-041974-02-04Slide viewer resembling miniature television - has slides arranged around periphery of rotary disc
GrantedFR2236201A1
(en)