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Power-driven sewing machines and stop motion devices therefor

US 2,940,407 A · Inventors: WALTER MITCHELL

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2 drawing sheets

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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 14, 1960. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by June 14, 1977.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJanuary 10, 1958
GrantedJune 14, 1960
Term endedJune 14, 1977
Application number—
Classification (CPC)D05B51/00 +2 more
Length4 pages

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