US3429978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ensemble effects systems
Assignee: Individual
•
Filing: 1965-12-06
•
Granted: 1969-02-25
•
Expires: 1985-12-06
Abstract
No abstract record available.
Inventors
- 👤 Alfred B Freeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:06
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/02; G10H1/06; G10H1/08; G10H1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
IN A TONE GENERATOR FOR AN ELECTRONIC MUSICAL INSTRUMENT, A PLURALITY OF OSCILLATORS TUNED IN ACCORDANCE WITH A MUSICAL SCALE, AND MEANS FOR DETUNING SAID OSCILLATORS UNDER CONTROL OF THE PLAYER IN ACCORDANCE WITH PATTERNS WHICH CHANGE THE MAGNITUDE OF MUSICAL FIFTHS INTERVALS WITHIN THE SCALE.
Claim 2
Dependent Claim
46 words
IN A TONE GENERATOR FOR AN ELECTRONIC MUSICAL INSTRUMENT, A PLURALITY OF OSCILLATORS TUNED IN ACCORDANCE WITH A MUSICAL SCALE, AND MEANS FOR DETUNING SAID OSCILLATORS UNDER CONTROL OF THE PLAYER IN ACCORDANCE WITH PATTERNS WHICH CHANGE THE MAGNITUDE OF MUSICAL FIFTHS INTERVALS WITHIN THE SCALE.
References Cited (Backward Citations)
US2500820A
Cited
US3253078A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-25 | 1972-08-26 | 1973-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-25 | 1976-08-26 | 1977-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-25 | 1980-08-26 | 1981-02-25 | $7700.00 | Window Closed / Lapsed |