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Insulator coupling means

US 1,952,011 A · Inventors: JENNER RALPH L

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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 March 20, 1934. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by March 20, 1951.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledOctober 4, 1932
GrantedMarch 20, 1934
Term endedMarch 20, 1951
Application number—
Classification (CPC)H02G7/00
Length8 pages

Timeline

Timeline From USPTO dates

1933193519371939194119431945194719491951Application filedOct 4, 1932Patent grantedMarch 20, 1934Term endedMarch 20, 1951

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