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Pipes containing nanoclays and method for their manufacture

US 2010/0028583 A1 · Assignee: E.I. DU PONT DE NEMOURS AND COMPANY · Inventors: Fish, JR.; Robert B. et al.

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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

  • Published February 4, 2010, and no patent has issued anywhere in its US family since.
  • Nothing has been filed in its family for more than seven years, so it is very unlikely to still be pending.
  • This status is inferred from USPTO records. Confirm it on Patent Center before relying on it.
FiledSeptember 17, 2007
PublishedFebruary 4, 2010
StatusAbandoned (inferred)
Application number12/446908
Classification (CPC)C08L23/06 +2 more
Length7 pages

Timeline

Timeline From USPTO dates

200820092010Application filedSep 17, 2007Application publishedFeb 4, 2010

Sources & verification

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

Cross-check elsewhere

Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.comJustia PatentsFull text, claims and classification.patents.justia.comFreePatentsOnlineFull text and PDF.freepatentsonline.comEspacenetForeign family and legal status.European Patent Office

Everything on this page comes from the USPTO record linked above.