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Process for the dehydration of moisture-containing compounds

US 2,165,950 A · Inventors: WILLKIE HERMAN F et al.

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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 July 11, 1939. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by July 11, 1956.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledFebruary 25, 1935
GrantedJuly 11, 1939
Term endedJuly 11, 1956
Application number—
Classification (CPC)A23K10/37 +2 more
Length4 pages

Timeline

Timeline From USPTO dates

1936193919421945194819511954Application filedFeb 25, 1935Patent grantedJuly 11, 1939Term endedJuly 11, 1956

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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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