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Furnace for roasting corn flakes or the like loose discrete materials

US 2,240,291 A · Inventors: OSCAR ENGELS EUGENE

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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 April 29, 1941. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by April 29, 1958.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledApril 1, 1940
GrantedApril 29, 1941
Term endedApril 29, 1958
Application number—
Classification (CPC)F26B21/25 +1 more
Length3 pages

Timeline

Timeline From USPTO dates

194119431945194719491951195319551957Application filedApril 1, 1940Patent grantedApril 29, 1941Term endedApril 29, 1958

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Official USPTO records

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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