US3234666A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Teaching machine
Assignee: HYMAN HURVITZ
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Filing: 1963-10-21
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Granted: 1966-02-15
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Expires: 1983-10-21
Abstract
No abstract record available.
Inventors
- 👤 James N Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:25
CPC Classifications
G; G09; G09B; G09B5/00; G09B5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
IN A TEACHING MACHINE HAVING A FIRST STRIP ON WHICH ARE RECORDED IN SUCCESSION ALONG THE STRIP A VARIETY OF ITEMS OF FIRST INFORMATION, AND ALSO HAVING A SECOND STRIP ON WHICH INFORMATION MAY BE RECORDED AND THEREAFTER REPRODUCED, AND ALSO HAVING FIRST MEANS FOR READOUT OF SAID ITEMS OF FIRST INFORMATION, THE COMBINATION OF A TWO-POSITION CONTROL DEVICE, SECOND MEANS RESPONSIVE TO ACTUATION OF SAID DEVICE TO ONE OF ITS TWO POSITIONS FOR PROVIDING OPERATION OF SAID FIRST MEANS TO READ OUT ONE OF SAID ITEMS OF INFORMATION, THIRD MEANS RESPONSIVE TO ACTUATION OF SAID DEVICE TO THE OTHER OF SAID TWO POSITIONS FOR PROVIDING A FIRST ACTUATION OF SAID SECOND STRIP DURING A RECORD OPERATION, FOURTH MEANS RESPONSIVE TO ACTUATION OF SAID DEVICE TO SAID ONE OF SAID POSITIONS FOR REPEATING SAID FIRST ACTUATION OF SAID SECOND STRIP AND ON COMPLETION OF SAID REPEATING AUTOMATICALLY TO AGAIN READ OUT SAID ONE OF SAID ITEMS OF INFORMATION.
Claim 2
Dependent Claim
158 words
IN A TEACHING MACHINE HAVING A FIRST STRIP ON WHICH ARE RECORDED IN SUCCESSION ALONG THE STRIP A VARIETY OF ITEMS OF FIRST INFORMATION, AND ALSO HAVING A SECOND STRIP ON WHICH INFORMATION MAY BE RECORDED AND THEREAFTER REPRODUCED, AND ALSO HAVING FIRST MEANS FOR READOUT OF SAID ITEMS OF FIRST INFORMATION, THE COMBINATION OF A TWO-POSITION CONTROL DEVICE, SECOND MEANS RESPONSIVE TO ACTUATION OF SAID DEVICE TO ONE OF ITS TWO POSITIONS FOR PROVIDING OPERATION OF SAID FIRST MEANS TO READ OUT ONE OF SAID ITEMS OF INFORMATION, THIRD MEANS RESPONSIVE TO ACTUATION OF SAID DEVICE TO THE OTHER OF SAID TWO POSITIONS FOR PROVIDING A FIRST ACTUATION OF SAID SECOND STRIP DURING A RECORD OPERATION, FOURTH MEANS RESPONSIVE TO ACTUATION OF SAID DEVICE TO SAID ONE OF SAID POSITIONS FOR REPEATING SAID FIRST ACTUATION OF SAID SECOND STRIP AND ON COMPLETION OF SAID REPEATING AUTOMATICALLY TO AGAIN READ OUT SAID ONE OF SAID ITEMS OF INFORMATION.
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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |