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Method of making paper bags

US 3,136,277 A · Inventors: FORTE MANUEL F

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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 9, 1964. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by June 9, 1981.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJanuary 15, 1963
GrantedJune 9, 1964
Term endedJune 9, 1981
Application number—
Classification (CPC)B31B70/00 +2 more
Length4 pages

Timeline

Timeline From USPTO dates

196419661968197019721974197619781980Application filedJan 15, 1963Patent grantedJune 9, 1964Term endedJune 9, 1981

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