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US3051032A
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US
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Single manual double countermelody electrical musical instrument
Assignee: Hammond Organ Co
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Filing: 1959-03-18
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Granted: 1962-08-28
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Expires: 1979-03-18
Abstract
No abstract record available.
Inventors
- 👤 John M Hanert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:21
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/18; G10H1/22; Y; Y10; Y10S; Y10S84/00; Y10S84/02; Y10S84/20; Y10S84/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |