Patent US3243494A successfully refreshed from Google Patents.
US3243494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tempo control for electrical musical instruments
Assignee: Bank of America Illinois
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Filing: 1962-08-01
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Granted: 1966-03-29
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Expires: 1982-08-01
Abstract
No abstract record available.
Inventors
- 👤 Donald M Park
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:34
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/36; G10H1/40; G10H2210/00; G10H2210/375; G10H2210/391
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
IN AN ELECTRICAL BACKGROUND MUSICAL INSTRUMENT OF THE AUTOMATIC CONTINUOUSLY AUDIBLE REPETITIVE RHYTHM TYPE USED TO ACCOMPANY AN INSTRUMENT UNDER PLAYE CONTROL, ELECTRICAL MEANS FOR COMPARING THE PLAYER''S TEMPO WITH THE REPETITIVE RHYTHM INSTRUMENT TEMPO, AND AUTOMATIC MEANS RESPONSIVE TO BE COMPARISON OF SAID TEMPOS FOR ALTERING THE TEMPO OF THE REPETITIVE RHYTHM INSTRUMENT IN
Claim 2
Dependent Claim
55 words
IN AN ELECTRICAL BACKGROUND MUSICAL INSTRUMENT OF THE AUTOMATIC CONTINUOUSLY AUDIBLE REPETITIVE RHYTHM TYPE USED TO ACCOMPANY AN INSTRUMENT UNDER PLAYE CONTROL, ELECTRICAL MEANS FOR COMPARING THE PLAYER''S TEMPO WITH THE REPETITIVE RHYTHM INSTRUMENT TEMPO, AND AUTOMATIC MEANS RESPONSIVE TO BE COMPARISON OF SAID TEMPOS FOR ALTERING THE TEMPO OF THE REPETITIVE RHYTHM INSTRUMENT IN
References Cited (Backward Citations)
US1324779A
Cited
US3039347A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |