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Ball mill with risers on liners to throw balls and oversize material towards feed end of mill and to progress smaller balls and fine material towards discharge end of mill

US 2,743,060 A · Inventors: DAMAN ARTHUR C

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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 24, 1956. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by April 24, 1973.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledNovember 12, 1954
GrantedApril 24, 1956
Term endedApril 24, 1973
Application number—
Classification (CPC)B02C17/22
Length5 pages

Timeline

Timeline From USPTO dates

1955195719591961196319651967196919711973Application filedNov 12, 1954Patent grantedApril 24, 1956Term endedApril 24, 1973

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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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