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Lower end construction for fiber drums

US 2,794,584 A · Inventors: GEIST WILLIAM J

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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 June 4, 1957. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by June 4, 1974.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledFebruary 8, 1956
GrantedJune 4, 1957
Term endedJune 4, 1974
Application number—
Classification (CPC)B65D15/06
Length3 pages

Timeline

Timeline From USPTO dates

195719591961196319651967196919711973Application filedFeb 8, 1956Patent grantedJune 4, 1957Term endedJune 4, 1974

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