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Needle punch machine and method

US 3,535,756 A · Inventors: KUTS MATHEW et al.

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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 October 27, 1970. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by October 27, 1987.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledMay 13, 1969
GrantedOctober 27, 1970
Term endedOctober 27, 1987
Application number—
Classification (CPC)D04H18/00 +1 more
Length6 pages

Timeline

Timeline From USPTO dates

197019721974197619781980198219841986Application filedMay 13, 1969Patent grantedOct 27, 1970Term endedOct 27, 1987

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