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Paper fastening and crimping press

US 2,275,111 A · Inventors: NOLL NORMAN S

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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 March 3, 1942. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by March 3, 1959.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJuly 4, 1939
GrantedMarch 3, 1942
Term endedMarch 3, 1959
Application number—
Classification (CPC)B31F5/02
Length4 pages

Timeline

Timeline From USPTO dates

1940194219441946194819501952195419561958Application filedJuly 4, 1939Patent grantedMarch 3, 1942Term endedMarch 3, 1959

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