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Method of and apparatus for treating hydrocarbons

US 1,973,294 A · Inventors: ERIK MUTTER

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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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Why it's free to use

  • Granted September 11, 1934. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by September 11, 1951.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledMay 29, 1930
GrantedSeptember 11, 1934
Term endedSeptember 11, 1951
Application number—
Classification (CPC)C10C3/04
Length3 pages

Timeline

Timeline From USPTO dates

1931193419371940194319461949Application filedMay 29, 1930Patent grantedSep 11, 1934Term endedSep 11, 1951

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Full published documentText and every drawing sheet as a PDF.USPTOFile historyStatus, office actions, notices, fee records and petitions.USPTO Patent CenterPatent Public Search recordSearchable full text and bibliographic data.USPTO

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