US3235648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semi-automatic electronic rhythm instrument
Assignee: Individual
•
Filing: 1962-05-07
•
Granted: 1966-02-15
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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
2026-10-26 22:48
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/36; G10H1/40; G10H1/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN AN ELECTRONIC RHYTHM INSTRUMENT HAVING FOOT OPERATED MEANS FOR ESTABLISHING THE ACCENTED BEAT AND AUTOMATIC MEANS FOR GENERATING THE UNACCENTED BEAT, A NORMALLY INACTIVE VOLTAGE PULSE GENERATING CIRCUIT COMPRISING AN ELECTRON DISCHARGE DEVICE, A VOLTAGE SUPPLY SOURCE, A SWITCH, CIRCUIT MEANS INCLUDING SAID SWITCH INTERCONNECTING SAID DISCHARGE DEVICE AND SAID SUPPLY SOURCE, TIME DELAY MEANS INCLUDING A CAPACITOR AND A RESISTOR SERIALLY CONNECTED BETWEEN TWO TERMINALS OF SAID SOURCE, SAID TIME DELAY MEANS COUPLED TO SAID DISCHARGE DEVICE AND TO SAID SWITCH, MEANS CONTROLLED BY SAID FOOT OPERATED MEANS FOR ACTUATING SAID SWITCH FOR RENDERING SAID PULSE GENERATING CIRCUIT ACTIVE TO GENERATE A FIRST PULSE AND A DELAYED PULSE.
Claim 2
Dependent Claim
110 words
IN AN ELECTRONIC RHYTHM INSTRUMENT HAVING FOOT OPERATED MEANS FOR ESTABLISHING THE ACCENTED BEAT AND AUTOMATIC MEANS FOR GENERATING THE UNACCENTED BEAT, A NORMALLY INACTIVE VOLTAGE PULSE GENERATING CIRCUIT COMPRISING AN ELECTRON DISCHARGE DEVICE, A VOLTAGE SUPPLY SOURCE, A SWITCH, CIRCUIT MEANS INCLUDING SAID SWITCH INTERCONNECTING SAID DISCHARGE DEVICE AND SAID SUPPLY SOURCE, TIME DELAY MEANS INCLUDING A CAPACITOR AND A RESISTOR SERIALLY CONNECTED BETWEEN TWO TERMINALS OF SAID SOURCE, SAID TIME DELAY MEANS COUPLED TO SAID DISCHARGE DEVICE AND TO SAID SWITCH, MEANS CONTROLLED BY SAID FOOT OPERATED MEANS FOR ACTUATING SAID SWITCH FOR RENDERING SAID PULSE GENERATING CIRCUIT ACTIVE TO GENERATE A FIRST PULSE AND A DELAYED PULSE.
References Cited (Backward Citations)
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Cited
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Cited
US2577753A
Cited
US2783672A
Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |