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Asphaltic emulsion and process of making

US 1,747,653 A · Inventors: CHARLTON WILDER

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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 February 18, 1930. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by February 18, 1947.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledOctober 26, 1927
GrantedFebruary 18, 1930
Term endedFebruary 18, 1947
Application number—
Classification (CPC)C08L95/005
Length2 pages

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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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