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Oil filled insulating bushings having renewable insulating elements

US 1,913,596 A · Inventors: JANSSON GUSTAV E

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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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  • Granted June 13, 1933. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by June 13, 1950.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledNovember 30, 1928
GrantedJune 13, 1933
Term endedJune 13, 1950
Application number—
Classification (CPC)H01B17/34
Length5 pages

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19291932193519381941194419471950Application filedNov 30, 1928Patent grantedJune 13, 1933Term endedJune 13, 1950

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