Patent Yard Sign in
Expired, full termArchiveSolo inventor

Siphon attachment for flush tanks

US 1,530,786 A · Inventors: WILLIAM MUIR

USPTO PDF

Overview

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

Read the whole patent

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.

Google PatentsUSPTO PDF

Why it's free to use

  • Granted March 24, 1925. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by March 24, 1942.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledMay 3, 1921
GrantedMarch 24, 1925
Term endedMarch 24, 1942
Application number—
Classification (CPC)E03D1/085
Length4 pages

Timeline

Timeline From USPTO dates

1922192519281931193419371940Application filedMay 3, 1921Patent grantedMarch 24, 1925Term endedMarch 24, 1942

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

Everything on this page comes from the USPTO record linked above.