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Strand working apparatus

US 2,067,973 A · Inventors: MCILVRIED EDWIN J

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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 January 19, 1937. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by January 19, 1954.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJuly 26, 1930
GrantedJanuary 19, 1937
Term endedJanuary 19, 1954
Application number—
Classification (CPC)B21C1/12
Length9 pages

Timeline

Timeline From USPTO dates

19311934193719401943194619491952Application filedJuly 26, 1930Patent grantedJan 19, 1937Term endedJan 19, 1954

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