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Arrangement for producing oscillations by means of vacuum tubes

US 1,606,809 A · Inventors: BRUNO ROSENBAUM

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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 November 16, 1926. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by November 16, 1943.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledOctober 31, 1921
GrantedNovember 16, 1926
Term endedNovember 16, 1943
Application number—
Classification (CPC)H03B5/10
Length5 pages

Timeline

Timeline From USPTO dates

19221925192819311934193719401943Application filedOct 31, 1921Patent grantedNov 16, 1926Term endedNov 16, 1943

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