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US3748765A Expired / Lapsed US ⏱️ 0.0 years remaining

Illuminated educational picture viewer toy

Assignee: Mattel Inc
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Filing: 1972-01-07
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Granted: 1973-07-31
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Expires: 1992-01-07
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Abstract

Abstract Pictorial transparency has one picture located in each corner intermediate the bottom wall and top of a square, hollow cube having its bottom wall provided with an aperture beneath each picture and its top closed by a translucent viewing screen upon which each picture may be viewed separately by positioning the cube in a square viewer having an aperture in one corner in a position such that one cube aperture and its associated picture will be juxtaposed over viewer aperture when cube is placed in viewer. A light bulb is illuminated beneath the viewer aperture when cube closes switch. Next picture may be viewed by removing cube, rotating cube one-quarter turn and replacing cube in viewer.

Inventors

  • 👤 S Bass
  • 👤 J Benson
  • 👤 D Shirwo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 18:33
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/10

Claims Analysis

Total Claims: 13
Claim 1
Independent Claim 164 words
An illuminated educational picture viewer toy, comprising: a viewer base having a wall, said wall having a first surface and a second surface, an aperture provided in said wall closer to the outer perimeter thereof than to the center thereof and a light source positioned adjacent said first surface and said aperture; and a picture block having an encompassing side wall and an open top, a translucent screen provided in said open top and a plurality of picture transparencies positioned transversely in said block adjacent said screen, said transparencies having a predetermined location correlated to the location of the aperture in said base such that each transparency may be placed in juxtaposition to the aperture in said base by placing said block on said second surface of said base in a different rotated position for each transparency, whereby light from said source may be transmitted through said aperture in said base and through a juxtaposed transparency for projecting a juxtaposed picture onto said screen.
Claim 2
Dependent Claim 164 words
An illuminated educational picture viewer toy, comprising: a viewer base having a wall, said wall having a first surface and a second surface, an aperture provided in said wall closer to the outer perimeter thereof than to the center thereof and a light source positioned adjacent said first surface and said aperture; and a picture block having an encompassing side wall and an open top, a translucent screen provided in said open top and a plurality of picture transparencies positioned transversely in said block adjacent said screen, said transparencies having a predetermined location correlated to the location of the aperture in said base such that each transparency may be placed in juxtaposition to the aperture in said base by placing said block on said second surface of said base in a different rotated position for each transparency, whereby light from said source may be transmitted through said aperture in said base and through a juxtaposed transparency for projecting a juxtaposed picture onto said screen.
Claim 3
Dependent Claim 59 words
A viewer toy as stated in claim 1 wherein said viewer base includes an encompassing sidewall and an open top having a predetermined geometric shape, wherein said wall in said base is a bottom wall and wherein said picture block has said predetermined geometric shape and is positioned on said bottom wall through the open top of said base.
Claim 4
Dependent Claim 22 words
A viewer toy as stated in claim 2 wherein said block has a bottom wall provided with apertures juxtaposed to said transparencies.
Claim 5
Dependent Claim 50 words
A viewer toy as stated in claim 3 wherein said light source is an electric light bulb and wherein said toy includes a switch for closing a circuit to said light bulb, said switch being located on said base bottom wall for engagement and actuation by said block bottom wall.
Claim 6
Dependent Claim 36 words
A viewer toy as stated in claim 4 wherein said predetermined geometric shape is square, wherein four transparencies are mounted in said block and wherein indicia are provided on said block for identifying said projected pictures.
Claim 7
Dependent Claim 26 words
A viewer toy as stated in claim 5 wherein said viewer base includes a battery compartment for holding battery means supplying current to said light bulb.
Claim 8
Dependent Claim 77 words
A viewer toy as stated in claim 6 wherein said switch includes an intermediate portion gripping a pin depending from said base bottom wall, an L-shaped, fixed end having a slot gripping said light bulb and a free end having a reversely-bent portion extending through an aperture in said base bottom wall and a portion positioned adjacent said battery means for engagement therewith when said free end is moved by positioning said block on said reversely-bent portion.
Claim 9
Dependent Claim 31 words
A viewer toy as stated in claim 1 wherein said screen is made from a polystyrene material and is formed in a mold having a sandblasted finish on one surface thereof.
Claim 10
Dependent Claim 199 words
An illuminated educational picture viewer toy, comprising: a viewer base having an open top of a predetermined geometric shape and a bottom wall, an aperture provided in said bottom wall closer to the outer perimeter thereof than to the center thereof and a light source adjacent said aperture; and a picture block having an encompassing side wall, a closed bottom wall and an open top, a translucent screen provided in said open top and a plurality of transparencies positioned in said block intermediate said bottom wall and said screen in a plane parallel to the plane of said screen, said transparencies having a predetermined location correlated to the location of the aperture in the base such that each transparency may be placed in juxtaposition to the aperture in the base by placing said block in said base in a different rotated position for each transparency, and a plurality of apertures in said bottom wall of said block in the same number as, and at locations juxtaposed to, said transpArencies, whereby light from said source may be transmitted through said aperture in said base and through a juxtaposed aperture in said block for projecting a juxtaposed picture onto said screen.
Claim 11
Dependent Claim 199 words
An illuminated educational picture viewer toy, comprising: a viewer base having an open top of a predetermined geometric shape and a bottom wall, an aperture provided in said bottom wall closer to the outer perimeter thereof than to the center thereof and a light source adjacent said aperture; and a picture block having an encompassing side wall, a closed bottom wall and an open top, a translucent screen provided in said open top and a plurality of transparencies positioned in said block intermediate said bottom wall and said screen in a plane parallel to the plane of said screen, said transparencies having a predetermined location correlated to the location of the aperture in the base such that each transparency may be placed in juxtaposition to the aperture in the base by placing said block in said base in a different rotated position for each transparency, and a plurality of apertures in said bottom wall of said block in the same number as, and at locations juxtaposed to, said transpArencies, whereby light from said source may be transmitted through said aperture in said base and through a juxtaposed aperture in said block for projecting a juxtaposed picture onto said screen.
Claim 12
Dependent Claim 142 words
A picture viewer toy comprising: viewer base means having an aperture provided therein; light source means in said base for passing light rays through said aperture; separate picture-carrying housing means manually positionable in a plurality of different positions relative to said aperture in said base means and including screen means and a transparency carrier having a plurality of transparencies thereon and received within said housing, said transparencies having a predetermined location correlated to the locations of said aperture and said screen means such that each transparency may be selectively positioned with respect to said aperture in such a manner that a transparency so positioned will have its picture projected onto said screen means; and cooperating engaging and readily disengageable means fixed respectively on said base means and picture-carrying means for aligning a transparency with said aperture in each of said different positions.
Claim 13
Dependent Claim 142 words
A picture viewer toy comprising: viewer base means having an aperture provided therein; light source means in said base for passing light rays through said aperture; separate picture-carrying housing means manually positionable in a plurality of different positions relative to said aperture in said base means and including screen means and a transparency carrier having a plurality of transparencies thereon and received within said housing, said transparencies having a predetermined location correlated to the locations of said aperture and said screen means such that each transparency may be selectively positioned with respect to said aperture in such a manner that a transparency so positioned will have its picture projected onto said screen means; and cooperating engaging and readily disengageable means fixed respectively on said base means and picture-carrying means for aligning a transparency with said aperture in each of said different positions.

References Cited (Backward Citations)

US2379534A Cited
US2369483A Cited
US2467014A Cited
US2492571A Cited
US2570913A Cited
US2773323A Cited
US2834251A Cited
GB947228A Cited
US3376782A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-07-30 1977-01-29 1977-07-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-07-30 1981-01-29 1981-07-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-07-30 1985-01-29 1985-07-31 $7700.00 Window Closed / Lapsed

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