Patent BE493735A successfully refreshed from Google Patents.
US3215765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fixed free-reed electronic piano with improved interpartial-ratio integralizing arrangements
Assignee: Miessner Inventions Inc
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Filing: 1962-12-18
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Granted: 1965-11-02
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Expires: 1982-12-18
Abstract
No abstract record available.
Inventors
- 👤 Benjamin F Miessner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:32
CPC Classifications
G; G10; G10D; G10D13/00; G10D13/01; G10D13/08; G10D13/09; Y; Y10; Y10S; Y10S84/00; Y10S84/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
IN AN ELECTRIC PIANO OF THE TYPE WHEREIN ELECTRIC OSCILLATIONS ARE TRANSLATED FROM THE DECADENT FREE VIBRATION OF A FIXED-FREE REED AND WHEREIN MULTIPLE-FREQUENCY OSCILLATION COMPONENTS HARMONICALLY RELATD TO THAT VIBRATION ARE INTRODUCED IN THAT TRANSLATION INTO THOSE OSCILLATIONS, THE COMBINATION OF A FIXED-FREE REED WHOSE FREE VIBRATION TRANSVERSE TO ITS LENGTH AND WIDTH COMPRISES A SERIES OF DIFFERENT-FREQUENCY PARTIAL VIBRATIONS, THE REED IN THE ABSENCE OF THE TUNING MEMBER HEREINAFTER RECITED HAVING A RATIO BETWEEN ITS SECOND-PARTIAL AND FUNDAMENTAL
Claim 2
Dependent Claim
80 words
IN AN ELECTRIC PIANO OF THE TYPE WHEREIN ELECTRIC OSCILLATIONS ARE TRANSLATED FROM THE DECADENT FREE VIBRATION OF A FIXED-FREE REED AND WHEREIN MULTIPLE-FREQUENCY OSCILLATION COMPONENTS HARMONICALLY RELATD TO THAT VIBRATION ARE INTRODUCED IN THAT TRANSLATION INTO THOSE OSCILLATIONS, THE COMBINATION OF A FIXED-FREE REED WHOSE FREE VIBRATION TRANSVERSE TO ITS LENGTH AND WIDTH COMPRISES A SERIES OF DIFFERENT-FREQUENCY PARTIAL VIBRATIONS, THE REED IN THE ABSENCE OF THE TUNING MEMBER HEREINAFTER RECITED HAVING A RATIO BETWEEN ITS SECOND-PARTIAL AND FUNDAMENTAL
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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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |