Rockin’ Patent – Joel M. Cawthorn’s “Stone Guitar With Tuned Neck”

  • US3769871Rockin’ Patent: US Patent No. 3,769,871
  • Filed: 25 April 1972
  • In the name of: Joel M. Cawthorn (inventor)
  • Title: Stone Guitar With Tuned Neck
  • What’s claimed: “A stringed musical instrument comprising: a. a stone body of single piece construction having at its face a hollowed out cavity therein; b. an elongated, reinforced neck secured to said body; c. a bridge mounted on said stone body; d. tuning pegs and a nut carried by said reinforced neck; e. a plurality of strings extending between said tuning pegs and said bridge; and f. a pick guard closing said cavity.”
  • Why this patent rocks: you don’t get much more of a rockin’ patent than a patent for a guitar made out of stone!  Examples of material from which the body may be made include “relatively hard, naturally formed mass of mineral or petrified matter such as granite, marble, onyx, rose quartz, petrified wood, agate”.

Post by Iain Russell, Patent and Design Attorney, EIP

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