Patent US2959446A successfully refreshed from Google Patents.
Patent US3049958A successfully refreshed from Google Patents.
US3049958A
Expired / Lapsed
US
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Electro-piano
Assignee: BALDWIN PIANO Co
•
Filing: 1959-02-13
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Granted: 1962-08-21
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Expires: 1979-02-13
Abstract
No abstract record available.
Inventors
- 👤 Benioff Hugo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:06
CPC Classifications
G; G10; G10H; G10H3/00; G10H3/12; G10H3/14; G10H3/18; Y; Y10; Y10S; Y10S84/00; Y10S84/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2027074A
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US1933298A
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US2073071A
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US2048515A
Cited
US2025875A
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US2222057A
Cited
US2413062A
Cited
US2334744A
Cited
DE931689C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |