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US 1,787,005 A · Inventors: KAUFMAN PHILLIP H

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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 December 30, 1930. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by December 30, 1947.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledDecember 14, 1927
GrantedDecember 30, 1930
Term endedDecember 30, 1947
Application number—
Classification (CPC)B43L13/02
Length3 pages

Timeline

Timeline From USPTO dates

1928193019321934193619381940194219441946Application filedDec 14, 1927Patent grantedDec 30, 1930Term endedDec 30, 1947

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