US3301936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stringed musical instruments with piezoelectric transducers
Assignee: Individual
•
Filing: 1964-03-04
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Granted: 1967-01-31
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Expires: 1984-03-04
Abstract
No abstract record available.
Inventors
- 👤 Frank C Carman
- 👤 Johnson Lynn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:15
CPC Classifications
G; G10; G10H; G10H3/00; G10H3/12; G10H3/14; G10H3/18; G10H3/185; G10H2220/00; G10H2220/461; G10H2220/465; G10H2220/475; G10H2220/485; G10H2220/525; Y; Y10; Y10S; Y10S84/00; Y10S84/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A STRINGED MUSICAL INSTRUMENT COMPRISING: AT LEAST ONE VIBRATABLE STRING FOR PRODUCING MUSICAL TONES; MEANS FOR PLACING SAID STRING UNDER AXIAL TENSION; AN AXIALLY SYMMETRICAL PIEZOELECTRIC TRANSDUCER DISPOSED AT ONE END OF SAID STRING WITH ITS AXIS OF SYMMETRY ALIGNED WITH THAT OF SAID STRING, SAID TRANSDUCER BEING PLACED UNDER AXIAL COMPRESSION BY THE TENSION IN SAID STRING; SAID TRANSDUCER INCLUDING A PAIR OF SPACED APART CONDUCTIVE ELEMENTS IN CONTACT WITH PORTIONS OF THE SURFACE THEREOF; AND ELECTRICAL CONDUCTORS IN CONTACT WITH SAID CONDUCTIVE ELEMENTS FOR DERIVING ELECTRICAL SIGNALS THEREFROM IN RESPONSE TO VARIATIONS IN TENSION OF SAID STRING.
Claim 2
Dependent Claim
99 words
A STRINGED MUSICAL INSTRUMENT COMPRISING: AT LEAST ONE VIBRATABLE STRING FOR PRODUCING MUSICAL TONES; MEANS FOR PLACING SAID STRING UNDER AXIAL TENSION; AN AXIALLY SYMMETRICAL PIEZOELECTRIC TRANSDUCER DISPOSED AT ONE END OF SAID STRING WITH ITS AXIS OF SYMMETRY ALIGNED WITH THAT OF SAID STRING, SAID TRANSDUCER BEING PLACED UNDER AXIAL COMPRESSION BY THE TENSION IN SAID STRING; SAID TRANSDUCER INCLUDING A PAIR OF SPACED APART CONDUCTIVE ELEMENTS IN CONTACT WITH PORTIONS OF THE SURFACE THEREOF; AND ELECTRICAL CONDUCTORS IN CONTACT WITH SAID CONDUCTIVE ELEMENTS FOR DERIVING ELECTRICAL SIGNALS THEREFROM IN RESPONSE TO VARIATIONS IN TENSION OF SAID STRING.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |