Patent US3236157A successfully refreshed from Google Patents.
Patent US4336020A successfully refreshed from Google Patents.
US4336020A
Expired / Lapsed
US
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Jigsaw puzzle for use in bilingual education
Assignee: Individual
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Filing: 1980-07-15
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Granted: 1982-06-22
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Expires: 2000-07-15
Abstract
Abstract An educational aid designed to assist young children in the learning of a second language. The device consists of a recessed game board, a word grid and a set of jigsaw puzzle pieces. The word grid is in the form of a crossword like pattern of words given in two languages. The word grid is fitted into the recessed area of the game board with the jigsaw puzzle pieces designed for assembly over the word grid. The jigsaw puzzle when completed forms a picture covering all of the word grid except for those words which represent the puzzle illustration.
Inventors
- 👤 David Zacharin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:23
CPC Classifications
A; A63; A63F; A63F9/00; A63F9/06; A63F9/10; G; G09; G09B; G09B19/00; G09B19/06; G09B19/08; A63F9/0613; A63F2009/064; A63F3/00; A63F3/04; A63F3/0402; A63F9/1044
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
89 words
Educational apparatus comprising: board means having a raised border around a recessed area; sheet means marked with numerous words, said sheet means fitted within said recessed area; a set of jigsaw puzzle pieces for assembly over said sheet means, said puzzle pieces when completely assembled forming a picture covering all of the words on said sheet means except for the words which represent said picture, said picture being formed solely by said jigsaw puzzle pieces, said representative words appearing through predetermined windows formed by edges of said puzzle pieces.
Claim 2
Dependent Claim
89 words
Educational apparatus comprising: board means having a raised border around a recessed area; sheet means marked with numerous words, said sheet means fitted within said recessed area; a set of jigsaw puzzle pieces for assembly over said sheet means, said puzzle pieces when completely assembled forming a picture covering all of the words on said sheet means except for the words which represent said picture, said picture being formed solely by said jigsaw puzzle pieces, said representative words appearing through predetermined windows formed by edges of said puzzle pieces.
Claim 3
Dependent Claim
18 words
Apparatus according to claim 1 wherein said words are arranged horizontally and vertically in a crossword like pattern.
Claim 4
Dependent Claim
46 words
Apparatus according to claim 1 wherein each word on said sheet means has a foreign language counterpart included on said sheet means, the word and its foreign language counterpart which represent said picture each appearing through a predetermined window formed by edges of said puzzle pieces.
Claim 5
Dependent Claim
37 words
Apparatus according to either one of claim 1 or 3 wherein said sheet means is interchangeable with other sheet means marked with numerous words, all the words on a specific sheet means relating to a specific theme.
Claim 6
Dependent Claim
38 words
Apparatus according to either one of claim 1 or 3 wherein said sheet means is made to accommodate several sets of jigsaw puzzle pieces, each set when completed forming an illustration of a word on said sheet means.
Claim 7
Dependent Claim
36 words
Apparatus according to claim 4 wherein each one of said sheet means is made to accommodate several sets of jigsaw puzzle pieces, each set when completed forming an illustration of a word on said sheet means.
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) | 1985-06-21 | 1985-12-21 | 1986-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-06-21 | 1989-12-21 | 1990-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-06-21 | 1993-12-21 | 1994-06-22 | $7700.00 | Window Closed / Lapsed |