US3288907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic musical instrument with delayed vibrato
Assignee: Hammond Organ Co
•
Filing: 1962-05-07
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Granted: 1966-11-29
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Expires: 1982-05-07
Abstract
No abstract record available.
Inventors
- 👤 Thomas J George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:25
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/02; G10H1/04; G10H1/043; Y; Y10; Y10S; Y10S84/00; Y10S84/23
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
IN AN ELECTRONIC MUSICAL INSTRUMENT HAVING A TONE GENERATOR AND A PLAYING KEY FOR CONTROLLING THE OUTPUT OF THE GENERATOR, MEANS FOR PROVIDING A DELAYED VIBRATO EFFECT COMPRISING A SOURCE OF CONTINUOUS VIBRATO SIGNAL VOLTAGE, A CIRCUIT MEANS COUPLING SAID SOURCE TO SAID TONE GENERATOR FOR EFFECTING THE OUTPUT TONE OF SAID GENERATOR AT A VIBRATO RATE, SAID CIRCUIT MEANS INCLUDING A NORMALLY INACTIVE CONDUCTIVE DEVICE, A CONTROL SWITCH ADAPTED TO BE OPERATED BY SAID PLAYING KEY, A CONTROL CIRCUIT COUPLED TO SAID CONDUCTIVE DEVICE FOR RENDERING IT ACTIVE, SAID CONTROL CIRCUIT INCLUDING SAID SWITCH AND SAID CONTROL CIRCUIT INCLUDING MEANS FOR PROVIDING A SELECTED TIME DELAY IN THE RENDERING ACTIVE OF SAID CONDUCTIVE DEVICE.
Claim 2
Dependent Claim
115 words
IN AN ELECTRONIC MUSICAL INSTRUMENT HAVING A TONE GENERATOR AND A PLAYING KEY FOR CONTROLLING THE OUTPUT OF THE GENERATOR, MEANS FOR PROVIDING A DELAYED VIBRATO EFFECT COMPRISING A SOURCE OF CONTINUOUS VIBRATO SIGNAL VOLTAGE, A CIRCUIT MEANS COUPLING SAID SOURCE TO SAID TONE GENERATOR FOR EFFECTING THE OUTPUT TONE OF SAID GENERATOR AT A VIBRATO RATE, SAID CIRCUIT MEANS INCLUDING A NORMALLY INACTIVE CONDUCTIVE DEVICE, A CONTROL SWITCH ADAPTED TO BE OPERATED BY SAID PLAYING KEY, A CONTROL CIRCUIT COUPLED TO SAID CONDUCTIVE DEVICE FOR RENDERING IT ACTIVE, SAID CONTROL CIRCUIT INCLUDING SAID SWITCH AND SAID CONTROL CIRCUIT INCLUDING MEANS FOR PROVIDING A SELECTED TIME DELAY IN THE RENDERING ACTIVE OF SAID CONDUCTIVE DEVICE.
References Cited (Backward Citations)
US2899644A
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US2496224A
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US2542065A
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US2811069A
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US2897361A
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US2918576A
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US2933699A
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US3038364A
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US3051032A
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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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |