Patent US3250847A successfully refreshed from Google Patents.
US3250847A
Expired / Lapsed
US
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Musical instrument with record type tone generator
Assignee: CHAMBERLIN INSTR Co Inc
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Filing: 1965-02-04
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Granted: 1966-05-10
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Expires: 1985-02-04
Abstract
No abstract record available.
Inventors
- 👤 Harry C Chamberlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:09
CPC Classifications
G; G10; G10H; G10H3/00; G10H3/03; Y; Y10; Y10S; Y10S84/00; Y10S84/29
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
IN AN INSTRUMENT FOR PLAYING MUSICAL COMPOSITIONS, (A) A RHYTHM PART HAVING (B) A PLURALITY OF MAGNETIC RECORDING, EACH BEING CAPABLE OF REPRODUCING REPETITIVELY AT LEAST ONE CHORD IN A PREDETERMINED DIFFERENT MUSICAL KEY AND PREDETERMINED DIFFERENT TEMPO; (C) A MANUALLY OPERABLE KEYBOARD, A KEY OF WHICH, WHEN DEPRESSED, SELECTS ONE OF SAID RHYTHM RECORDINGS; AND (D) MEANS TO REPRODUCE AND REPEAT THE SELECTED CHORD AT A SELECTED TEMPO AND FOR A PREDETERMINED TIME AND UNTIL SAID SELECTED KEY IS RELEASED.
Claim 2
Dependent Claim
81 words
IN AN INSTRUMENT FOR PLAYING MUSICAL COMPOSITIONS, (A) A RHYTHM PART HAVING (B) A PLURALITY OF MAGNETIC RECORDING, EACH BEING CAPABLE OF REPRODUCING REPETITIVELY AT LEAST ONE CHORD IN A PREDETERMINED DIFFERENT MUSICAL KEY AND PREDETERMINED DIFFERENT TEMPO; (C) A MANUALLY OPERABLE KEYBOARD, A KEY OF WHICH, WHEN DEPRESSED, SELECTS ONE OF SAID RHYTHM RECORDINGS; AND (D) MEANS TO REPRODUCE AND REPEAT THE SELECTED CHORD AT A SELECTED TEMPO AND FOR A PREDETERMINED TIME AND UNTIL SAID SELECTED KEY IS RELEASED.
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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) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |