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US 2,256,995 A · Inventors: ANDRES FREDERICK P

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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 September 23, 1941. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by September 23, 1958.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledAugust 21, 1939
GrantedSeptember 23, 1941
Term endedSeptember 23, 1958
Application number—
Classification (CPC)B65D5/5042 +1 more
Length2 pages

Timeline

Timeline From USPTO dates

1940194219441946194819501952195419561958Application filedAug 21, 1939Patent grantedSep 23, 1941Term endedSep 23, 1958

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