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Foxing-cementing machine

US 1,753,498 A · Inventors: BOURN STEPHEN W

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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 April 8, 1930. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by April 8, 1947.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledApril 30, 1924
GrantedApril 8, 1930
Term endedApril 8, 1947
Application number—
Classification (CPC)A43D25/183
Length7 pages

Timeline

Timeline From USPTO dates

19251928193119341937194019431946Application filedApril 30, 1924Patent grantedApril 8, 1930Term endedApril 8, 1947

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