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US 718,652 A

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Overview

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.

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Why it's free to use

  • Granted January 20, 1903. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by January 20, 1920.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
Filed—
GrantedJanuary 20, 1903
Term endedJanuary 20, 1920
Application number—
Classification (CPC)—
Length2 pages

Timeline

Timeline From USPTO dates

190419061908191019121914191619181920Patent grantedJan 20, 1903Term endedJan 20, 1920

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.