Patent US3236138A successfully refreshed from Google Patents.
US3236138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sounding board for stringed musical instrument
Assignee: Kimball International Inc
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Filing: 1963-07-22
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Granted: 1966-02-22
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Expires: 1983-07-22
Abstract
No abstract record available.
Inventors
- 👤 Graves Howard Kennedy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:43
CPC Classifications
G; G10; G10C; G10C3/00; G10C3/04; G10C3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A STRINGED MUSICAL INSTRUMENT COMPRISING: A FRAME; A PLURALITY OF STRINGS TENSIONALLY SUPPORTED BY SAID FRAME; BRIDGE MEANS COUPLED TO SAID STINGS; SOUND RADIATOR MEANS COUPLED TO SAID BRIDGE MEANS AND COMPLIANTLY COUPLED TO SAID FRAME; AND STIFFENING MEANS COUPLED BETWEEN SAID BRIDGE MEANS AND SAID FRAME; WHEREBY ACCOUSTICAL STIFFNESS AT SAID BRIDGE MEANS IS PRODUCED BY SAID STIFFENING MEANS.
Claim 2
Dependent Claim
60 words
A STRINGED MUSICAL INSTRUMENT COMPRISING: A FRAME; A PLURALITY OF STRINGS TENSIONALLY SUPPORTED BY SAID FRAME; BRIDGE MEANS COUPLED TO SAID STINGS; SOUND RADIATOR MEANS COUPLED TO SAID BRIDGE MEANS AND COMPLIANTLY COUPLED TO SAID FRAME; AND STIFFENING MEANS COUPLED BETWEEN SAID BRIDGE MEANS AND SAID FRAME; WHEREBY ACCOUSTICAL STIFFNESS AT SAID BRIDGE MEANS IS PRODUCED BY SAID STIFFENING MEANS.
References Cited (Backward Citations)
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Cited
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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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |