Patent US2555039A successfully refreshed from Google Patents.
US2555039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Generator assembly in electrical musical instruments
Assignee: BALDWIN Co
•
Filing: 1947-02-13
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Granted: 1951-05-29
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Expires: 1967-02-13
Abstract
No abstract record available.
Inventors
- 👤 Alfred J Bissonette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:42
CPC Classifications
G; G10; G10H; G10H5/00; G10H5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1809025A
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US1882854A
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US2158275A
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US2173101A
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US2254284A
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US2253700A
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US2245338A
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US2251052A
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US2250065A
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US2343284A
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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) | 1954-05-28 | 1954-11-27 | 1955-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-28 | 1958-11-27 | 1959-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-28 | 1962-11-27 | 1963-05-29 | $7700.00 | Window Closed / Lapsed |