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Typewriting machine

US 1,629,514 A · Inventors: FIRST TRUST et al.

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Overview

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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 May 24, 1927. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by May 24, 1944.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledMarch 18, 1920
GrantedMay 24, 1927
Term endedMay 24, 1944
Application number—
Classification (CPC)B41J11/24
Length9 pages

Timeline

Timeline From USPTO dates

19211924192719301933193619391942Application filedMarch 18, 1920Patent grantedMay 24, 1927Term endedMay 24, 1944

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