Patent Yard Sign in
Expired, full termArchiveSolo inventor

Metal casting apparatus

US 1,966,596 A · Inventors: PEIRCE WILLIAM H

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 July 17, 1934. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by July 17, 1951.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledNovember 28, 1930
GrantedJuly 17, 1934
Term endedJuly 17, 1951
Application number—
Classification (CPC)B22D25/04
Length9 pages

Timeline

Timeline From USPTO dates

1931193419371940194319461949Application filedNov 28, 1930Patent grantedJuly 17, 1934Term endedJuly 17, 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

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