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US 2,086,355 A · Inventors: HEAUME EANSOR NORMAN DU

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The published document from the USPTO: abstract, claims, description and drawings. Open it full size

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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 July 6, 1937. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by July 6, 1954.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledApril 17, 1936
GrantedJuly 6, 1937
Term endedJuly 6, 1954
Application number—
Classification (CPC)B65F1/141
Length3 pages

Timeline

Timeline From USPTO dates

193719391941194319451947194919511953Application filedApril 17, 1936Patent grantedJuly 6, 1937Term endedJuly 6, 1954

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