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Mulch-paper-laying machine

US 1,787,902 A · Inventors: JOHN HERFORT HERMAN

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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 January 6, 1931. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by January 6, 1948.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJuly 2, 1929
GrantedJanuary 6, 1931
Term endedJanuary 6, 1948
Application number—
Classification (CPC)A01G13/37
Length5 pages

Timeline

Timeline From USPTO dates

1930193219341936193819401942194419461948Application filedJuly 2, 1929Patent grantedJan 6, 1931Term endedJan 6, 1948

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