The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 06, 1987

Filed:

Feb. 19, 1986
Applicant:
Inventor:

Emmett H Chapman, Los Angeles, CA (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10D / ;
U.S. Cl.
CPC ...
8431 / ;
Abstract

A fretted fingerboard having transverse, shallow U-shaped grooves which receives circular fret rods formed from durable metal provides an improved playing surface for fretted stringed instruments.


Find Patent Forward Citations

Chapman, Emmett. (1987). Fret rod for stringed musical instruments (U.S. Patent No. 4633754). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4633754

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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