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Gaseous discharge apparatus

US 2,016,172 A · Inventors: MCILVAINE ORAN T

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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 1, 1935. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by October 1, 1952.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledOctober 12, 1929
GrantedOctober 1, 1935
Term endedOctober 1, 1952
Application number—
Classification (CPC)H01J61/09
Length3 pages

Timeline

Timeline From USPTO dates

19301933193619391942194519481951Application filedOct 12, 1929Patent grantedOct 1, 1935Term endedOct 1, 1952

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