Patent US3849912A successfully refreshed from Google Patents.
US3849912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Educational toy
Assignee: Individual
•
Filing: 1973-10-10
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Granted: 1974-11-26
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Expires: 1993-10-10
Abstract
Abstract An educational toy useful for teaching color mixing, shape identity, and the concept of sequency, utilizes an illuminated surface with protruding ordered dowels upon which a variety of playing pieces of different colors and geometrical shapes can be arranged so that the pieces overlap each other, providing visual color mixing, color matching, sequence, shape matching, and like activities to the user.
Inventors
- 👤 R Kemnitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:03
CPC Classifications
G; G09; G09B; G09B19/00
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
92 words
An educational toy for teaching color mixing, shape identity, and sequence comprising: an illuminated surface which is at least partially transparent; a plurality of ordered dowels projecting from said illuminated surface; a lighting means which illuminates said illuminated surface from the side opposite said dowels; and, a plurality of at least partially transparent playing pieces of assorted colors and geometric shapes, each piece including at least one alignment means so that the piece can be aligned upon said ordered dowels in an intelligible manner, said pieces being capable of overlapping one another.
Claim 2
Dependent Claim
92 words
An educational toy for teaching color mixing, shape identity, and sequence comprising: an illuminated surface which is at least partially transparent; a plurality of ordered dowels projecting from said illuminated surface; a lighting means which illuminates said illuminated surface from the side opposite said dowels; and, a plurality of at least partially transparent playing pieces of assorted colors and geometric shapes, each piece including at least one alignment means so that the piece can be aligned upon said ordered dowels in an intelligible manner, said pieces being capable of overlapping one another.
Claim 3
Dependent Claim
54 words
An educational toy as in claim 1 which includes: a base including a slot carrier between said illuminated surface and said lighting means, and capable of receiving different sheets which are viewable through said illuminated surface by a user; and, at least one sheet which is capable of being placed in said slot carrier.
Claim 4
Dependent Claim
20 words
An educational toy as in claim 2 wherein said sheets are at least partially transparent and are of different colors.
Claim 5
Dependent Claim
37 words
An educational toy as in claim 2 wherein said sheets are marked with different patterns related to the shapes of the playing pieces to indicate a required pattern for placement of playing pieces on said ordered dowels.
Claim 6
Dependent Claim
14 words
An educational toy as in claim 2 wherein said colors constitute the primary colors.
Claim 7
Dependent Claim
17 words
An educational toy as in claim 2 wherein said geometric shapes include squares, rectangles, triangles and cIrcles.
Claim 8
Dependent Claim
20 words
An educational toy as in claim 1 in which each playing piece is formed of rigid, relatively thick plastic material.
Claim 9
Dependent Claim
32 words
An educational toy as in claim 7 in which each dowel is formed of transparent plastic material and has a height many times greater than the thickness of an individual playing piece.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-25 | 1978-05-27 | 1978-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-25 | 1982-05-27 | 1982-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-25 | 1986-05-27 | 1986-11-26 | $7700.00 | Window Closed / Lapsed |