US3292276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Teaching machines
Assignee: Individual
•
Filing: 1965-01-04
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Granted: 1966-12-20
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Expires: 1985-01-04
Abstract
No abstract record available.
Inventors
- 👤 Hansel Charles Edward Mark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:52
CPC Classifications
G; G09; G09B; G09B7/00; G09B7/06; G09B7/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
A TEACHING MACHINE COMPRISING A MAIN PROGRAM SELECTION APPARATUS OPERATIVE TO SELECT A FIRST SEQUENCE OF QUESTIONS TO BE PRESENTED TO A PUPIL, A QUESTION OF QUESTION APPARATUS FOR PRESENTING SAID FIRST SEQUENCE OF QUESTIONS TO SAID PUPIL, MANUALLY OPERABLE SWITCH MEANS FOR ACTUATION BY SAID PUPIL FOR RECORDING HIS SELECTED RERESPONSE TO EACH QUESTION IN SAID SEQUENCE, MEANS FOR INTERRUPTING SAID FIRST SEQUENCE IN RESPONSE TO THE IMPROPER ACTUATION OF SAID MANUALLY OPERABLE MEANS THEREBY INDICATING A MISSED QUESTION, SAID INTERRUPTING MEANS INCLUDING ANSWER TO SAID PUPIL TO THE MISSED QUESTION IN SAID RECT ANSWER TO SAID PUPIL TO THE MISSED QUESTION IN SAID FIRST SEQUENCE, A SUBSIDIARY PROGRAM SELECTION APPARATUS OPERATIVE TO SELECT A SECOND SEQUENCE BEING OPERATIVE TO PREQUESTION PRESENTATION APPARATUS BEING OPERATIVE TO PRESENT SAID SECOND SEQUENCE OF QUESTIONS TO SAID PUPIL IN RESPONSE TO PROPER ACTUTION OF SAID MANUALLY OPERABLE MEANS TO INDICATE THE ANSWER TO SAID MISSED QUESTION, SAID SECOND SEQUENCE OF QUESTIONS INCLUDING SAID MISSED QUESTION, AND MEANS TO REINSTATE THE PRESENTATION OF SAID FIRST SEQUENCE OF QUESTIONS BY SAID QUESTION PRESENTATION APPARATUS.
Claim 2
Dependent Claim
180 words
A TEACHING MACHINE COMPRISING A MAIN PROGRAM SELECTION APPARATUS OPERATIVE TO SELECT A FIRST SEQUENCE OF QUESTIONS TO BE PRESENTED TO A PUPIL, A QUESTION OF QUESTION APPARATUS FOR PRESENTING SAID FIRST SEQUENCE OF QUESTIONS TO SAID PUPIL, MANUALLY OPERABLE SWITCH MEANS FOR ACTUATION BY SAID PUPIL FOR RECORDING HIS SELECTED RERESPONSE TO EACH QUESTION IN SAID SEQUENCE, MEANS FOR INTERRUPTING SAID FIRST SEQUENCE IN RESPONSE TO THE IMPROPER ACTUATION OF SAID MANUALLY OPERABLE MEANS THEREBY INDICATING A MISSED QUESTION, SAID INTERRUPTING MEANS INCLUDING ANSWER TO SAID PUPIL TO THE MISSED QUESTION IN SAID RECT ANSWER TO SAID PUPIL TO THE MISSED QUESTION IN SAID FIRST SEQUENCE, A SUBSIDIARY PROGRAM SELECTION APPARATUS OPERATIVE TO SELECT A SECOND SEQUENCE BEING OPERATIVE TO PREQUESTION PRESENTATION APPARATUS BEING OPERATIVE TO PRESENT SAID SECOND SEQUENCE OF QUESTIONS TO SAID PUPIL IN RESPONSE TO PROPER ACTUTION OF SAID MANUALLY OPERABLE MEANS TO INDICATE THE ANSWER TO SAID MISSED QUESTION, SAID SECOND SEQUENCE OF QUESTIONS INCLUDING SAID MISSED QUESTION, AND MEANS TO REINSTATE THE PRESENTATION OF SAID FIRST SEQUENCE OF QUESTIONS BY SAID QUESTION PRESENTATION APPARATUS.
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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |