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Tuner for electric steel guitar

US 3,407,697 A · Inventors: JACKSON DAVID H

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Listed from its USPTO record in Patent Yard's full-term archive. Its claims, description and drawings are in the USPTO PDF and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted October 29, 1968. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by October 29, 1985.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledAugust 22, 1966
GrantedOctober 29, 1968
Term endedOctober 29, 1985
Application number—
Classification (CPC)G10D1/08
Length5 pages

Timeline

Timeline From USPTO dates

1967196919711973197519771979198119831985Application filedAug 22, 1966Patent grantedOct 29, 1968Term endedOct 29, 1985

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