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Abrasive projecting apparatus

US 2,279,342 A · Inventors: QUINN NELSON 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 April 14, 1942. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by April 14, 1959.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledMay 25, 1935
GrantedApril 14, 1942
Term endedApril 14, 1959
Application number—
Classification (CPC)B24C5/06
Length5 pages

Timeline

Timeline From USPTO dates

19361939194219451948195119541957Application filedMay 25, 1935Patent grantedApril 14, 1942Term endedApril 14, 1959

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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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