Patent US3382749A successfully refreshed from Google Patents.
US3382749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for producing a tremolo effect on stringed musical instruments
Assignee: Individual
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Filing: 1966-03-10
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Granted: 1968-05-14
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Expires: 1986-03-10
Abstract
No abstract record available.
Inventors
- 👤 John W Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:49
CPC Classifications
G; G10; G10D; G10D3/00; G10D3/14; G10D3/147; G10D3/153
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
A DEVICE FOR PRODUCING A TREMOLO EFFECT ON A STRINGED MUSICAL INSTRUMENT HAVING A PLURALITY OF ALIGNED TENSIONED STRINGS EXTENDING ALONG THE INSTRUMENT WITH ONE END OF THE STRINGS BEING CONNECTED TO KEYS CARRIED BY THE INSTRUMENT AND THE OTHER END OF THE STRINGS BEING CONNECTED TO A MOVABLE TAIL STOCK CARRIED ON THE MAIN BODY OF THE INSTRUMENT COMPRISING: EXPANSIBLE MEANS CARRIED BY SAID INSTRUMENT ADJACENT SAID TAIL STOCK; MEANS FOR RECIPROCALLY SUPPLYING FLUID TO SAID EXPANSIBLE MEANS CAUSING A RECIPROCATING MOVEMENT OF SAID EXPANSIBLE MEANS; A CONNECTING ELEMENT CARRIED BY SAID EXPANSIBLE MEANS FOR MOVEMENT THEREWITH RESPONSIVE TO THE FLOW OF FLUID INTO SAID EXPANSIBLE MEANS, AND A FREE-END OF SAID CONNECTING ELEMENT BEING CONNECTED TO SAID MOVABLE TAIL STOCK FOR IMPARTING MOVEMENT FROM SAID EXPANSIBLE MEANS TO SAID TAIL STOCK; WHEREBY SAID TAIL STOCK IS MOVED VARYING THE TENSION IN THE STRINGS CONNECTED THERETO RESPONSIVE TO THE MOVEMENT OF FLUID INTO AND OUT OF SAID EXPANSIBLE MEANS PRODUCING A TREMOLO EFFECT IN THE TONES OF SAID STRINGS WHILE SAID MUSICAL INSTRUMENT IS BEING PLAYED.
Claim 2
Independent Claim
177 words
A DEVICE FOR PRODUCING A TREMOLO EFFECT ON A STRINGED MUSICAL INSTRUMENT HAVING A PLURALITY OF ALIGNED TENSIONED STRINGS EXTENDING ALONG THE INSTRUMENT WITH ONE END OF THE STRINGS BEING CONNECTED TO KEYS CARRIED BY THE INSTRUMENT AND THE OTHER END OF THE STRINGS BEING CONNECTED TO A MOVABLE TAIL STOCK CARRIED ON THE MAIN BODY OF THE INSTRUMENT COMPRISING: EXPANSIBLE MEANS CARRIED BY SAID INSTRUMENT ADJACENT SAID TAIL STOCK; MEANS FOR RECIPROCALLY SUPPLYING FLUID TO SAID EXPANSIBLE MEANS CAUSING A RECIPROCATING MOVEMENT OF SAID EXPANSIBLE MEANS; A CONNECTING ELEMENT CARRIED BY SAID EXPANSIBLE MEANS FOR MOVEMENT THEREWITH RESPONSIVE TO THE FLOW OF FLUID INTO SAID EXPANSIBLE MEANS, AND A FREE-END OF SAID CONNECTING ELEMENT BEING CONNECTED TO SAID MOVABLE TAIL STOCK FOR IMPARTING MOVEMENT FROM SAID EXPANSIBLE MEANS TO SAID TAIL STOCK; WHEREBY SAID TAIL STOCK IS MOVED VARYING THE TENSION IN THE STRINGS CONNECTED THERETO RESPONSIVE TO THE MOVEMENT OF FLUID INTO AND OUT OF SAID EXPANSIBLE MEANS PRODUCING A TREMOLO EFFECT IN THE TONES OF SAID STRINGS WHILE SAID MUSICAL INSTRUMENT IS BEING PLAYED.
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) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |