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Apparatus for forming sand molds

US 1,653,675 A · Inventors: STONEY JOHN T

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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 December 27, 1927. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by December 27, 1944.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledDecember 15, 1924
GrantedDecember 27, 1927
Term endedDecember 27, 1944
Application number—
Classification (CPC)B22C15/10
Length8 pages

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1925192719291931193319351937193919411943Application filedDec 15, 1924Patent grantedDec 27, 1927Term endedDec 27, 1944

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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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