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Metallic structural element

US 1,547,607 A · Inventors: RENDLEMAN NORMAN 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 July 28, 1925. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by July 28, 1942.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledFebruary 13, 1922
GrantedJuly 28, 1925
Term endedJuly 28, 1942
Application number—
Classification (CPC)E04C3/083 +2 more
Length4 pages

Timeline

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1923192519271929193119331935193719391941Application filedFeb 13, 1922Patent grantedJuly 28, 1925Term endedJuly 28, 1942

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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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