Patent US3146534A successfully refreshed from Google Patents.
US3146534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spelling devices
Assignee: Individual
•
Filing: 1962-04-30
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Granted: 1964-09-01
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Expires: 1982-04-30
Abstract
No abstract record available.
Inventors
- 👤 Raymond E Brown
- 👤 Thomas A Crugnale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:58
CPC Classifications
G; G09; G09B; G09B17/00; G09B17/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
AN EDUCATIONAL DEVICE COMPRISING A HOUSING, A FIRST CARD PROVIDED WITH A REPRESENTATION OF A PRESELECTED SUBJECT, MEANS FOR MOUNTING THE FIRST CARD ON THE HOUSING, A PLURALITY OF SECOND CARDS PROVIDED WITH DIFFERENT LETTER SYMBOLS, MEANS FOR MOUNTING THE SECOND CARDS ON THE HOUSING IN ALIGNED RELATION, FIRST SELF-OPERATING MEANS FOR ILLUMINATING THE FIRST CARD WHEN A FIRST CARD IS MOUNTED ON THE HOUSING AND A PREDETERMINED GROUP OF SECOND CARDS ARE MOUNTED ON THE HOUSING IN PREDETERMINED ORDER, SAID PREDETERMINED ORDER BEING SUCH AS TO CAUSE THE FIRST CARD TO BECOME ILLUMINATED WHEN THE LETTER SYMBOLS OF THE SECOND CARDS CORRECTLY SPELL OUT THE WORD REPRESENTED BY THE SUBJECT REPRESENTATION OF THE FIRST CARD AND SECOND SELF-OPERATING MEANS FOR ILLUMINATING EACH LETTER CARD IN SEQUENCE AS SAID LETTER CARD IS PROPERLY MOUNTED ON THE HOUSING IN CORRESPONDENCE WITH SAID FIRST CARD, SAID SECOND SELF-OPERATING MEANS INCLUDING MEANS FOR ILLUMINATING EACH CORRECTLY MOUNTED SECOND CARD WITH LIGHT OF ONE COLOR IF THE LETTER SYMBOL THEREON IS A CONSONANT AND LIGHT OF A SECOND COLOR IF THE LETTER SYMBOL IS A VOWEL.
Claim 2
Dependent Claim
182 words
AN EDUCATIONAL DEVICE COMPRISING A HOUSING, A FIRST CARD PROVIDED WITH A REPRESENTATION OF A PRESELECTED SUBJECT, MEANS FOR MOUNTING THE FIRST CARD ON THE HOUSING, A PLURALITY OF SECOND CARDS PROVIDED WITH DIFFERENT LETTER SYMBOLS, MEANS FOR MOUNTING THE SECOND CARDS ON THE HOUSING IN ALIGNED RELATION, FIRST SELF-OPERATING MEANS FOR ILLUMINATING THE FIRST CARD WHEN A FIRST CARD IS MOUNTED ON THE HOUSING AND A PREDETERMINED GROUP OF SECOND CARDS ARE MOUNTED ON THE HOUSING IN PREDETERMINED ORDER, SAID PREDETERMINED ORDER BEING SUCH AS TO CAUSE THE FIRST CARD TO BECOME ILLUMINATED WHEN THE LETTER SYMBOLS OF THE SECOND CARDS CORRECTLY SPELL OUT THE WORD REPRESENTED BY THE SUBJECT REPRESENTATION OF THE FIRST CARD AND SECOND SELF-OPERATING MEANS FOR ILLUMINATING EACH LETTER CARD IN SEQUENCE AS SAID LETTER CARD IS PROPERLY MOUNTED ON THE HOUSING IN CORRESPONDENCE WITH SAID FIRST CARD, SAID SECOND SELF-OPERATING MEANS INCLUDING MEANS FOR ILLUMINATING EACH CORRECTLY MOUNTED SECOND CARD WITH LIGHT OF ONE COLOR IF THE LETTER SYMBOL THEREON IS A CONSONANT AND LIGHT OF A SECOND COLOR IF THE LETTER SYMBOL IS A VOWEL.
References Cited (Backward Citations)
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US2624127A
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US2612708A
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US2900741A
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US2853799A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |