Patent US3291887A successfully refreshed from Google Patents.
US3291887A
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Piezoelectric musical pickup arrangement
Assignee: Individual
•
Filing: 1964-01-30
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Granted: 1966-12-13
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Expires: 1984-01-30
Abstract
No abstract record available.
Inventors
- 👤 Frank C Carman
- 👤 Johnson Lynn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:12
CPC Classifications
G; G10; G10H; G10H3/00; G10H3/12; G10H3/14; G10H3/18; G10H3/185; G10H2220/00; G10H2220/461; G10H2220/465; G10H2220/475; G10H2220/495; G10H2220/525; G10H2220/565; Y; Y10; Y10S; Y10S84/00; Y10S84/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A MUSICAL INSTRUMENT OF THE TYPE HAVING VIBRATABLE STRINGS COMPRISING A BRIDGE MEMBER OF NONMETALLIC MATERIAL, SAID BRIDGE MEMBER HAVING AN UPPER STRING-CONTACTING PORTION AND HAVING AN ELONGATED OPENING THEREIN AT A LOCATION BELOW AND SPACED FROM SAID UPPER STRING-CONTACTING PORTION, SAID OPENING HAVING SPACED APART SIDE WALLS CONCAVE FOR AT LEAST PART OF THEIR EXTENT TO FROM AN ENLARGED CENTRAL PORTION OF SAID OPENING, AN ELONGATED PIEZOELECTRIC TRANSDUCER MOUNTED IN SAID OPENING WITH ITS OPPOSITE ENDS IN CONTACT WITH THE CONCAVE PORTIONS OF SAID SIDE WALLS, AND SIGNAL-CARRYING CONDUCTORS ATTACHED TO SAID TRANSDUCER.
Claim 2
Dependent Claim
94 words
A MUSICAL INSTRUMENT OF THE TYPE HAVING VIBRATABLE STRINGS COMPRISING A BRIDGE MEMBER OF NONMETALLIC MATERIAL, SAID BRIDGE MEMBER HAVING AN UPPER STRING-CONTACTING PORTION AND HAVING AN ELONGATED OPENING THEREIN AT A LOCATION BELOW AND SPACED FROM SAID UPPER STRING-CONTACTING PORTION, SAID OPENING HAVING SPACED APART SIDE WALLS CONCAVE FOR AT LEAST PART OF THEIR EXTENT TO FROM AN ENLARGED CENTRAL PORTION OF SAID OPENING, AN ELONGATED PIEZOELECTRIC TRANSDUCER MOUNTED IN SAID OPENING WITH ITS OPPOSITE ENDS IN CONTACT WITH THE CONCAVE PORTIONS OF SAID SIDE WALLS, AND SIGNAL-CARRYING CONDUCTORS ATTACHED TO SAID TRANSDUCER.
References Cited (Backward Citations)
US3073203A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |