Patent US4168145A successfully refreshed from Google Patents.
Patent US3254431A successfully refreshed from Google Patents.
US3254431A
Expired / Lapsed
US
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Teaching machine
Assignee: Education Eng Associates
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Filing: 1962-03-19
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Granted: 1966-06-07
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Expires: 1982-03-19
Abstract
No abstract record available.
Inventors
- 👤 Arthur Y Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:41
CPC Classifications
G; G09; G09B; G09B7/00; G09B7/06; G09B7/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A TEACHING MACHINE FOR TEACHING A STUDENT A LESSON THAT IS DIVIDED INTO A SEQUENCE OF INCREMENTS OF TEXT MATERIAL AND GROUPS OF QUESTIONS AND POSSIBLE ANSWERS THERETO, SAID MACHINE COMPRISING THE COMBINATION OF DISPLAY MEANS FOR ALTERNATELY DISPLAYING SAID INCREMENT OF TEXT MATERIAL TO SAID STUDENT AND DISPLAYING ONE OF THE GROUP OF QUESTIONS AND POSSIBLE ANSWERS THERETO RELATING TO A PREVIOUSLY DISPLAYED INCREMENT OF TEXT MATERIAL, ANSWERING MEANS FOR SAID STUDENT TO INDICATE A CHOICE OF AN ANSWER FOR EACH OF THE QUESTIONS IN A GROUP, AND CONTROL MEANS OPERATIVELY INTERCONNECTED WITH SAID DISPLAY MEANS FOR CHANGING THE DISPLAYS PRESENTED THEREBY, SAID CONTROL MEANS BEING OPERATIVELY INTERCONNECTED WITH SAID ANSWERING MEANS FOR ACTUATION IN RESPONSE TO ANSWERS CHOSEN BY THE STUDENT, SAID CONTROL MEANS INCLUDING MEANS FOR ACTUATING SAID DISPLAY MEANS FOR REDISPLAYING THE PREVIOUSLY DISPLAYED INCREMENT FO TEXT MATERIAL IF AT LEAST ONE OF THE QUESTIONS IN A GROUP IN INCORRECTLY ANSWERED.
Claim 2
Dependent Claim
155 words
A TEACHING MACHINE FOR TEACHING A STUDENT A LESSON THAT IS DIVIDED INTO A SEQUENCE OF INCREMENTS OF TEXT MATERIAL AND GROUPS OF QUESTIONS AND POSSIBLE ANSWERS THERETO, SAID MACHINE COMPRISING THE COMBINATION OF DISPLAY MEANS FOR ALTERNATELY DISPLAYING SAID INCREMENT OF TEXT MATERIAL TO SAID STUDENT AND DISPLAYING ONE OF THE GROUP OF QUESTIONS AND POSSIBLE ANSWERS THERETO RELATING TO A PREVIOUSLY DISPLAYED INCREMENT OF TEXT MATERIAL, ANSWERING MEANS FOR SAID STUDENT TO INDICATE A CHOICE OF AN ANSWER FOR EACH OF THE QUESTIONS IN A GROUP, AND CONTROL MEANS OPERATIVELY INTERCONNECTED WITH SAID DISPLAY MEANS FOR CHANGING THE DISPLAYS PRESENTED THEREBY, SAID CONTROL MEANS BEING OPERATIVELY INTERCONNECTED WITH SAID ANSWERING MEANS FOR ACTUATION IN RESPONSE TO ANSWERS CHOSEN BY THE STUDENT, SAID CONTROL MEANS INCLUDING MEANS FOR ACTUATING SAID DISPLAY MEANS FOR REDISPLAYING THE PREVIOUSLY DISPLAYED INCREMENT FO TEXT MATERIAL IF AT LEAST ONE OF THE QUESTIONS IN A GROUP IN INCORRECTLY ANSWERED.
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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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |