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Partial circle water sprinklers

US 3,022,012 A · Inventors: SHARP CARL R 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.

Why it's free to use

  • Granted February 20, 1962. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by February 20, 1979.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledMay 18, 1959
GrantedFebruary 20, 1962
Term endedFebruary 20, 1979
Application number—
Classification (CPC)B05B3/0455 +1 more
Length4 pages

Timeline

Timeline From USPTO dates

1960196219641966196819701972197419761978Application filedMay 18, 1959Patent grantedFeb 20, 1962Term endedFeb 20, 1979

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