US3584398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Teaching device having means producing a self-generated program
Assignee: Hu-Mac Inc
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Filing: 1969-09-29
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Granted: 1971-06-15
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Expires: 1989-09-29
Abstract
Abstract A NOVEL TEACHING MACHINE HAVING AN INDICIA DISPLAY MEANS, RANDOM SIGNAL GENERATOR MEANS FOR ACTUATING SAID DISPLAY MEANS, A KEYBOARD AND A MEANS FOR ELECTRONICALLY DETERMINING A FUNCTIONAL INTERRELATIONSHIP BETWEEN THE DISPLAYED INDICIA AND COMPRISING IT WITH AN INPUT KEYED INTO THE KEYBOARD BY A STUDENT VIEWING THE DISPLAY IN ORDER TO DEVELOP THE STUDENT''S SKILL IN EVALUATING THE RELATIONSHIP BETWEEN THE DISPLAYED INDICIA AS WELL AS UTILIZING THE KEYBOARD.
Inventors
- 👤 Jerome C Meyer
- 👤 James A Tillotson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:47
CPC Classifications
G; G09; G09B; G09B19/00; G09B19/02; G09B19/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-14 | 1974-12-14 | 1975-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-14 | 1978-12-14 | 1979-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-14 | 1982-12-14 | 1983-06-15 | $7700.00 | Window Closed / Lapsed |