US3467759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reiteration,percussion and speaking tone effects in electronic music generation
Assignee: Chicago Musical Instrument Co
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Filing: 1965-10-15
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Granted: 1969-09-16
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Expires: 1985-10-15
Abstract
No abstract record available.
Inventors
- 👤 Donald J Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:25
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/18; G10H1/26; G10H1/02; G10H1/04; G10H2210/00; G10H2210/155; G10H2210/195; G10H2210/201
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2148478A
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US2540478A
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US2541051A
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US2905040A
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US2989885A
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US3247308A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |