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Mining planer arrangement having a parallelogram-disposed articulatedly mounted cuttig means

US 3,382,003 A · Inventors: ALOIS HAUSCHOPP

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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 7, 1968. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by May 7, 1985.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
Filed—
GrantedMay 7, 1968
Term endedMay 7, 1985
Application number—
Classification (CPC)E21C27/32
Length7 pages

Timeline

Timeline From USPTO dates

196919711973197519771979198119831985Patent grantedMay 7, 1968Term endedMay 7, 1985

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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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