Patent US2846913A successfully refreshed from Google Patents.
US2846913A
Expired / Lapsed
US
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Circular scale electrical musical instrument
Assignee: Hammond Organ Co
•
Filing: 1950-06-23
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Granted: 1958-08-12
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Expires: 1970-06-23
Abstract
No abstract record available.
Inventors
- 👤 Hammond Laurens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:49
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/02; G10H1/06; G10H1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2250065A
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US2505182A
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US2485751A
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US2506723A
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US2598132A
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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) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |