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Radiator

US 1,536,675 A · Inventors: LA LONDE LOUIS J

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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 May 5, 1925. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by May 5, 1942.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJuly 30, 1921
GrantedMay 5, 1925
Term endedMay 5, 1942
Application number—
Classification (CPC)F28F9/04
Length3 pages

Timeline

Timeline From USPTO dates

1922192519281931193419371940Application filedJuly 30, 1921Patent grantedMay 5, 1925Term endedMay 5, 1942

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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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