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Suction nozzle

US 2,237,726 A · Inventors: HORACE CRANMER GEORGE

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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, 1941. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by April 8, 1958.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJanuary 23, 1939
GrantedApril 8, 1941
Term endedApril 8, 1958
Application number—
Classification (CPC)A47L9/02
Length4 pages

Timeline

Timeline From USPTO dates

1940194219441946194819501952195419561958Application filedJan 23, 1939Patent grantedApril 8, 1941Term endedApril 8, 1958

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