Patent US2687060A successfully refreshed from Google Patents.
US2687060A
Expired / Lapsed
US
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Musical note and keyboard translator
Assignee: Individual
•
Filing: 1952-03-19
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Granted: 1954-08-24
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Expires: 1972-03-19
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Scheb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:20
CPC Classifications
G; G09; G09B; G09B15/00; G09B15/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US605157A
Cited
US762990A
Cited
US1732377A
Cited
DE539044C
Cited
US1785440A
Cited
US1741769A
Cited
US2332842A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-23 | 1958-02-22 | 1958-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-23 | 1962-02-22 | 1962-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-23 | 1966-02-22 | 1966-08-24 | $7700.00 | Window Closed / Lapsed |