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US 1,706,159 A · Inventors: HEROLD LAWRENCE C

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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 March 19, 1929. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by March 19, 1946.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledOctober 3, 1927
GrantedMarch 19, 1929
Term endedMarch 19, 1946
Application number—
Classification (CPC)A46B13/001
Length4 pages

Timeline

Timeline From USPTO dates

1928193019321934193619381940194219441946Application filedOct 3, 1927Patent grantedMarch 19, 1929Term endedMarch 19, 1946

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