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Suction boosting apparatus

US 1,969,078 A · Inventors: HENRY HUEBER et al.

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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 August 7, 1934. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by August 7, 1951.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledFebruary 26, 1930
GrantedAugust 7, 1934
Term endedAugust 7, 1951
Application number—
Classification (CPC)—
Length3 pages

Timeline

Timeline From USPTO dates

1931193419371940194319461949Application filedFeb 26, 1930Patent grantedAug 7, 1934Term endedAug 7, 1951

Sources & verification

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

Cross-check elsewhere

Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.comJustia PatentsFull text, claims and classification.patents.justia.comFreePatentsOnlineFull text and PDF.freepatentsonline.comEspacenetForeign family and legal status.European Patent Office

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