US3286013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic vibrato device with plural manuals
Assignee: Thomas International Corp
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Filing: 1963-06-17
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Granted: 1966-11-15
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Expires: 1983-06-17
Abstract
No abstract record available.
Inventors
- 👤 John R Brand
- 👤 Bradley J Plunkett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:47
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/02; G10H1/04; G10H1/043; Y; Y10; Y10S; Y10S84/00; Y10S84/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
IN AN ELECTRICAL MUSICAL INSTRUMENT UTILIZING A TONE GENERATOR AND A PLAYING KEY PRESSABLE FOR CAUSING THE OUTPUT OF THE TONE GENERATOR TO BE EFFECTIVE UPON AN AUIDO SYSTEM; A VIBRATO OSCILLATOR CONNECTED TO PROVIDE A CONSTANT VIBRATO EFFECT UPON SAID TONE GENERATOR; MODIFYING MEANS FOR RENDERING SAID EFFECT NULL FOLLOWED BY A GRADUAL RESTORATION OF FULL VIBRATO EFFECT; AND CONTROL MEANS OPERABLE BY PRESSING SAID KEY FOR INITIATING OPERATION OF SAID MODIFYING MEANS.
Claim 2
Dependent Claim
74 words
IN AN ELECTRICAL MUSICAL INSTRUMENT UTILIZING A TONE GENERATOR AND A PLAYING KEY PRESSABLE FOR CAUSING THE OUTPUT OF THE TONE GENERATOR TO BE EFFECTIVE UPON AN AUIDO SYSTEM; A VIBRATO OSCILLATOR CONNECTED TO PROVIDE A CONSTANT VIBRATO EFFECT UPON SAID TONE GENERATOR; MODIFYING MEANS FOR RENDERING SAID EFFECT NULL FOLLOWED BY A GRADUAL RESTORATION OF FULL VIBRATO EFFECT; AND CONTROL MEANS OPERABLE BY PRESSING SAID KEY FOR INITIATING OPERATION OF SAID MODIFYING MEANS.
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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |