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Apparatus for igniting and operating gaseous discharge devices

US 2,920,237 A · Inventors: PAUL BERGER

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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 January 5, 1960. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by January 5, 1977.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledApril 22, 1955
GrantedJanuary 5, 1960
Term endedJanuary 5, 1977
Application number—
Classification (CPC)H01F38/10
Length4 pages

Timeline

Timeline From USPTO dates

19561959196219651968197119741977Application filedApril 22, 1955Patent grantedJan 5, 1960Term endedJan 5, 1977

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