US3348320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phonetic teaching device
Assignee: Individual
•
Filing: 1964-12-14
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Granted: 1967-10-24
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Expires: 1984-12-14
Abstract
No abstract record available.
Inventors
- 👤 George K Brokaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:19
CPC Classifications
G; G09; G09B; G09B5/00; G09B5/06; G09B5/062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
A PHONETIC TEACHING DEVICE FOR USE IN COMBINATION WITH A CARD HAVING A STRIP OF MAGNETIC RECORDING TAPE EXTENDING ACROSS ITS LOWER END AND WRITING OR PRINTING THERE ON ABOVE THE TAPE RELATED TO THE SPOKEN WORDS THAT HAVE BEEN PRERECORDED ON THE TAPE, SAID DEVICE COMPRISING: (1) A CHASSIS; (2) A SOUND PRODUCING AND REPRODUCTION SYSTEM MOUNTED WITHIN SAID CHASSIS INCLUDING A POWER SUPPLY, AN AMPLIFIER, SPEAKER MEANS, AND A PICKUP HEAD; (3) MEANS FOR HOLDING SAID CARD STATIONARY ON SAID CHASSIS IN A PREDETERMINED UPRIGHT POSITION; (4) A PAIR OF PULLEYS MOUNTED IN SAID CHASSIS NEAR OPPOSITE ENDS OF THE CARD BEING HELD AND ENDLESS FLEXIBLE BELT MEANS ON SAID PULLEYS; (5) MEANS FOR DRIVING ONE SAID PULLEY AND THUS SAID BELT MEANS AT A CONSTANT PREDETERMINED LINEAR RATE; (6) MEANS CONNECTED TO SAID BELT MEANS FOR DRIVING SAID PICKUP HEAD AND FOR URGING SAID PICKUP HEAD AGAINST A TAPE SEGMENT ON A CARD ONE DIRECTION OF TRAVEL BETWEEN SAID PULLEYS AND FOR RETRACTING SAID PICKUP HEAD FROM THE TAPE SEGMENT DURING TRAVEL IN THE OPPOSITE DIRECTION.
Claim 2
Dependent Claim
179 words
A PHONETIC TEACHING DEVICE FOR USE IN COMBINATION WITH A CARD HAVING A STRIP OF MAGNETIC RECORDING TAPE EXTENDING ACROSS ITS LOWER END AND WRITING OR PRINTING THERE ON ABOVE THE TAPE RELATED TO THE SPOKEN WORDS THAT HAVE BEEN PRERECORDED ON THE TAPE, SAID DEVICE COMPRISING: (1) A CHASSIS; (2) A SOUND PRODUCING AND REPRODUCTION SYSTEM MOUNTED WITHIN SAID CHASSIS INCLUDING A POWER SUPPLY, AN AMPLIFIER, SPEAKER MEANS, AND A PICKUP HEAD; (3) MEANS FOR HOLDING SAID CARD STATIONARY ON SAID CHASSIS IN A PREDETERMINED UPRIGHT POSITION; (4) A PAIR OF PULLEYS MOUNTED IN SAID CHASSIS NEAR OPPOSITE ENDS OF THE CARD BEING HELD AND ENDLESS FLEXIBLE BELT MEANS ON SAID PULLEYS; (5) MEANS FOR DRIVING ONE SAID PULLEY AND THUS SAID BELT MEANS AT A CONSTANT PREDETERMINED LINEAR RATE; (6) MEANS CONNECTED TO SAID BELT MEANS FOR DRIVING SAID PICKUP HEAD AND FOR URGING SAID PICKUP HEAD AGAINST A TAPE SEGMENT ON A CARD ONE DIRECTION OF TRAVEL BETWEEN SAID PULLEYS AND FOR RETRACTING SAID PICKUP HEAD FROM THE TAPE SEGMENT DURING TRAVEL IN THE OPPOSITE DIRECTION.
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) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |