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US2986726A
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US
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Analog to digital encoder
Assignee: BALDWIN PIANO Co
•
Filing: 1957-04-08
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Granted: 1961-05-30
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Expires: 1977-04-08
Abstract
No abstract record available.
Inventors
- 👤 Edward M Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:41
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/12; H03M1/22; H03M1/24; H03M1/28; H03M1/287
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2715678A
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US2747797A
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US2755020A
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US2758788A
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US2765459A
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US2792545A
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US2866184A
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US2779539A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-29 | 1964-11-28 | 1965-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-29 | 1968-11-28 | 1969-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-29 | 1972-11-28 | 1973-05-30 | $7700.00 | Window Closed / Lapsed |