US3093702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple zone stereophonic effect for electric organs
Assignee: Hammond Organ Co
•
Filing: 1960-09-23
•
Granted: 1963-06-11
•
Expires: 1980-09-23
Abstract
No abstract record available.
Inventors
- 👤 Alan C Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:26
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/0091; G10H2210/00; G10H2210/155; G10H2210/265; G10H2210/295
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE1073036B
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US1642040A
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US2137032A
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US2602860A
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DE928351C
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FR1033682A
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US2852604A
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US2837597A
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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) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |