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Street-railway switch.

US 732,011 A

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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 June 23, 1903. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by June 23, 1920.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
Filed—
GrantedJune 23, 1903
Term endedJune 23, 1920
Application number—
Classification (CPC)B61L11/02
Length4 pages

Timeline

Timeline From USPTO dates

190419061908191019121914191619181920Patent grantedJune 23, 1903Term endedJune 23, 1920

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