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Expired, full termArchiveSolo inventor

Jacquard-controlled yarn carrier for knitting machines

US 1,561,237 A · Inventors: ADOLF HUNZIKER et al.

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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 November 10, 1925. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by November 10, 1942.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJanuary 16, 1925
GrantedNovember 10, 1925
Term endedNovember 10, 1942
Application number—
Classification (CPC)D04B15/56 +2 more
Length5 pages

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