Patent US3197544A successfully refreshed from Google Patents.
US3197544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic musical instruments with twin detuning circuits to maintain constant vibrato
Assignee: Individual
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Filing: 1961-08-28
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Granted: 1965-07-27
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Expires: 1981-08-28
Abstract
No abstract record available.
Inventors
- 👤 Richard H Peterson
- 👤 William H Hass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:05
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/02; G10H1/04; G10H1/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
IN AN ELECTRONIC MUSICAL INSTRUMENT OF THE TYPE COMPRISING A PLURALITY OF OSCILLATORS, ONE OF EACH SEMI-TONE OF THE MUSICAL SCALE; VIBRATO MEANS COMPRISING TWO PITCH CHANGERS FOR ALTERING THE OPERATIVENESS OF SAID TWO PITCH MEANS FOR ALTERING THE OPERATIVENESS OF SAID TWO PITCH CHANGERS TO SECURE A MAXIMUM PITCH, OR A MINIMUM PITCH, OR A NORMAL, INTERMEDIATE PITCH; SAID MAXIMUM AND MINIMUM PITCHES DIFFERING FROM SAID INTERMEDIATE PITCH BY THE SAME AMOUNT, BUT IN OPPOSITE DIRECTIONS; AUTOMATIC TIMING MEANS FOR KEEPING THE PITCH MAXIMUM OR MINIMUM AND FOR CHANGING FROM MAXIMUM TO MINIMUM AT TREMULANT FREQUENCY; PLAYER-CONTROLLED STOP MEANS FOR RENDERING SAID AUTOMATIC TIMING MEANS OPERATIVE, OR FOR RENDERING SAID AUTOMATIC, TIMED MEANS INOPERATIVE, AND ADJUSTING SAID PITCH CHANGERS TO SECURE NORMAL, INTERMEDIATE PITCH
Claim 2
Dependent Claim
125 words
IN AN ELECTRONIC MUSICAL INSTRUMENT OF THE TYPE COMPRISING A PLURALITY OF OSCILLATORS, ONE OF EACH SEMI-TONE OF THE MUSICAL SCALE; VIBRATO MEANS COMPRISING TWO PITCH CHANGERS FOR ALTERING THE OPERATIVENESS OF SAID TWO PITCH MEANS FOR ALTERING THE OPERATIVENESS OF SAID TWO PITCH CHANGERS TO SECURE A MAXIMUM PITCH, OR A MINIMUM PITCH, OR A NORMAL, INTERMEDIATE PITCH; SAID MAXIMUM AND MINIMUM PITCHES DIFFERING FROM SAID INTERMEDIATE PITCH BY THE SAME AMOUNT, BUT IN OPPOSITE DIRECTIONS; AUTOMATIC TIMING MEANS FOR KEEPING THE PITCH MAXIMUM OR MINIMUM AND FOR CHANGING FROM MAXIMUM TO MINIMUM AT TREMULANT FREQUENCY; PLAYER-CONTROLLED STOP MEANS FOR RENDERING SAID AUTOMATIC TIMING MEANS OPERATIVE, OR FOR RENDERING SAID AUTOMATIC, TIMED MEANS INOPERATIVE, AND ADJUSTING SAID PITCH CHANGERS TO SECURE NORMAL, INTERMEDIATE PITCH
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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |