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US3459869A
Expired / Lapsed
US
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Electronic organ with lock-in circuit for tone-signal generators thereof
Assignee: ELECTRONIC ORGAN ARTS Inc
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Filing: 1965-04-29
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Granted: 1969-08-05
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Expires: 1985-04-29
Abstract
No abstract record available.
Inventors
- 👤 Robert L Eby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:13
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/02; G10H1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2498337A
Cited
US2811069A
Cited
US2681585A
Cited
US2830481A
Cited
US2941435A
Cited
US3327043A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |