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US4823669A Expired / Lapsed US ⏱️ 0.0 years remaining

Tremolo device for an electric guitar

Assignee: Individual
•
Filing: 1988-06-21
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Granted: 1989-04-25
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Expires: 2008-06-21
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Abstract

Abstract A tremolo device comprising a base connected to an electric guitar, a clamp for holding and restraining the guitar strings, a handle for manipulating the device, a spring block connected to the base, a first support connected to the guitar, a first spring connecting the first support to the spring block and forcing the spring block toward the first support, a second support connected to the guitar, an elongated member having first and second ends, the first end connected to the second support and the second end contacting the spring block, and a second spring for forcing the second end of the elongated member against the spring block.

Inventors

  • 👤 William Sarricola, Jr.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 20:07
CPC Classifications
G; G10; G10D; G10D3/00; G10D3/14; G10D3/147; G10D3/153

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 107 words
A positioning device for maintaining the tuning of strings on an electric guitar with a block tremolo device having a spring block, said positioning device comprising: a first support means connected to the guitar; first spring means connecting said first support means to the spring block and forcing the spring block toward said first support means; a second support means connected to the guitar body; an elongated member having first and second ends, said first end connected to said second support means, and said second end contacting the spring block; and second spring means for forcing said second end of said elongated member against the spring block.
Claim 2
Dependent Claim 107 words
A positioning device for maintaining the tuning of strings on an electric guitar with a block tremolo device having a spring block, said positioning device comprising: a first support means connected to the guitar; first spring means connecting said first support means to the spring block and forcing the spring block toward said first support means; a second support means connected to the guitar body; an elongated member having first and second ends, said first end connected to said second support means, and said second end contacting the spring block; and second spring means for forcing said second end of said elongated member against the spring block.
Claim 3
Dependent Claim 26 words
The positioning device of claim 1 wherein said second end of said elongated member is enlarged when compared to said first end of said elongated member.
Claim 4
Dependent Claim 26 words
The positioning device of claim 1 wherein the guitar contains a cavity and said first support means and said second support means are mounted inside the
Claim 5
Dependent Claim 30 words
The positioning device of claim 1 wherein said second support means is a base plate member having a bore therein adapted to receive said first end of said elongated member.
Claim 6
Dependent Claim 145 words
A tremolo device for use on an electric guitar for maintaining the tuning of guitar strings comprising: a base connected to the guitar; string restraining and holding means on said base; handle means connected to said base for manipulating the device; a spring block connected to said base; a first support means connected to the guitar; first spring means connecting said first support means to said spring block forcing said spring block toward said first support means; a second support means connected to the guitar body; an elongated member having first and second ends, said first end connected to said second support means, and said second end contacting said spring block; second spring means for forcing said second end of said elongated member against said spring block; clip means engaged on said elongated member for retaining said elongated member in contact with said second support.
Claim 7
Dependent Claim 145 words
A tremolo device for use on an electric guitar for maintaining the tuning of guitar strings comprising: a base connected to the guitar; string restraining and holding means on said base; handle means connected to said base for manipulating the device; a spring block connected to said base; a first support means connected to the guitar; first spring means connecting said first support means to said spring block forcing said spring block toward said first support means; a second support means connected to the guitar body; an elongated member having first and second ends, said first end connected to said second support means, and said second end contacting said spring block; second spring means for forcing said second end of said elongated member against said spring block; clip means engaged on said elongated member for retaining said elongated member in contact with said second support.
Claim 8
Dependent Claim 26 words
The tremolo device of claim 5 wherein said second end of said elongated member is enlarged when compared to said first end of said elongated member.
Claim 9
Dependent Claim 35 words
The tremolo device of claim 5 wherein the guitar contains a cavity said tremolo spring block extending into the cavity and said first support means and said second support means are mounted inside the cavity.

References Cited (Backward Citations)

US4171661A Cited
US4285262A Cited
US4497236A Cited
US4555970A Cited
FR2587528A1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1992-04-24 1992-10-24 1993-04-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1996-04-24 1996-10-24 1997-04-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2000-04-24 2000-10-24 2001-04-25 $7700.00 Window Closed / Lapsed

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