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Amplifier circuit organization with means to compensate nonlinear distortions

US 2,238,457 A · Inventors: VON WERTHER WALTER et al.

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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.

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Why it's free to use

  • Granted April 15, 1941. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by April 15, 1958.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledNovember 20, 1936
GrantedApril 15, 1941
Term endedApril 15, 1958
Application number—
Classification (CPC)H03F3/02
Length3 pages

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Official USPTO records

Full published documentText and every drawing sheet as a PDF.USPTOFile historyStatus, office actions, notices, fee records and petitions.USPTO Patent CenterPatent Public Search recordSearchable full text and bibliographic data.USPTO

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