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US 770,765 A

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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.

Why it's free to use

  • Granted September 27, 1904. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by September 27, 1921.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
Filed—
GrantedSeptember 27, 1904
Term endedSeptember 27, 1921
Application number—
Classification (CPC)—
Length5 pages

Timeline

Timeline From USPTO dates

190519071909191119131915191719191921Patent grantedSep 27, 1904Term endedSep 27, 1921

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