US3290981A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Musical instrument
Assignee: Individual
•
Filing: 1964-07-01
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Granted: 1966-12-13
•
Expires: 1984-07-01
Abstract
No abstract record available.
Inventors
- 👤 Thibodeaux Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:40
CPC Classifications
G; G10; G10D; G10D3/00; G10D3/06; G10D3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
A MUSICAL INSTRUMENT COMPRISING A KEYBOARD HAVING A PLURALITY OF KEYS THEREON, FIRST PIVOT MEANS FOR PIVOTALLY MOUNTING SAID KEYS, A STRING MOUNTING MEANS ASSOCIATED WITH EACH KEY, SECOND PIVOT MEANS FOR PIVOTALLY MOUNTING SAID STRING MOUNTING MEANS, CONNECTING MEANS FOR CONNECTING EACH KEY WITH EACH STRING MOUNTING MEANS SO THAT PIVOTAL MOVEMENT OF EACH KEY CAUSES A CORRESPONDING PIVOTAL MOVEMENT OF THE ASSOCIATED STRING MOUNTING MEANS, A MUSICAL STRING MOUNTED ON EACH SAID STRING MOUNTING MEANS, EACH STRING BEING TUNED TO VIBRATE AT A DIFFERENT MUSICAL FREQUENCY, A DAMPER EXTENDING TRANSVERSELY OF SAID STRINGS, SAID DAMPER BEING MOUNTED SO THAT SAID STRINGS REST AGAINST IT IN THEIR INOPERATIVE POSITION, A CONTINUOUS BOW EXTENDING TRANSVERSLY OF SAID STRINGS, MOTOR MEANS FOR CAUSING SAID BOW TO MOVE CONTINUOUSLY PAST SAID STRING, WHEREBY PIVOTAL ACTUATION OF SAID KEY CAUSES SAID STRINGS TO MOVE OUT OF CONTACT WITH SAID DAMPER AND INTO CONTACT WITH SAID BOW.
Claim 2
Dependent Claim
153 words
A MUSICAL INSTRUMENT COMPRISING A KEYBOARD HAVING A PLURALITY OF KEYS THEREON, FIRST PIVOT MEANS FOR PIVOTALLY MOUNTING SAID KEYS, A STRING MOUNTING MEANS ASSOCIATED WITH EACH KEY, SECOND PIVOT MEANS FOR PIVOTALLY MOUNTING SAID STRING MOUNTING MEANS, CONNECTING MEANS FOR CONNECTING EACH KEY WITH EACH STRING MOUNTING MEANS SO THAT PIVOTAL MOVEMENT OF EACH KEY CAUSES A CORRESPONDING PIVOTAL MOVEMENT OF THE ASSOCIATED STRING MOUNTING MEANS, A MUSICAL STRING MOUNTED ON EACH SAID STRING MOUNTING MEANS, EACH STRING BEING TUNED TO VIBRATE AT A DIFFERENT MUSICAL FREQUENCY, A DAMPER EXTENDING TRANSVERSELY OF SAID STRINGS, SAID DAMPER BEING MOUNTED SO THAT SAID STRINGS REST AGAINST IT IN THEIR INOPERATIVE POSITION, A CONTINUOUS BOW EXTENDING TRANSVERSLY OF SAID STRINGS, MOTOR MEANS FOR CAUSING SAID BOW TO MOVE CONTINUOUSLY PAST SAID STRING, WHEREBY PIVOTAL ACTUATION OF SAID KEY CAUSES SAID STRINGS TO MOVE OUT OF CONTACT WITH SAID DAMPER AND INTO CONTACT WITH SAID BOW.
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) | 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 |