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Bell type gassing and vacuumizing apparatus for dehydrated products

US 2,423,975 A · Inventors: ROBERT HELM HERBERT

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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.

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Why it's free to use

  • Granted July 15, 1947. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by July 15, 1964.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJune 15, 1944
GrantedJuly 15, 1947
Term endedJuly 15, 1964
Application number—
Classification (CPC)B65B31/025
Length8 pages

Timeline

Timeline From USPTO dates

1945194719491951195319551957195919611963Application filedJune 15, 1944Patent grantedJuly 15, 1947Term endedJuly 15, 1964

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Official USPTO records

Full published documentText and every drawing sheet as a PDF.USPTOFile historyStatus, office actions, notices, fee records and petitions.USPTO Patent CenterPatent Public Search recordSearchable full text and bibliographic data.USPTO

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