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Filling of code slots or notches in embossed printing plates or stencils

US 2,447,293 A · Inventors: ALFRED VANG

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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 August 17, 1948. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by August 17, 1965.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledNovember 9, 1944
GrantedAugust 17, 1948
Term endedAugust 17, 1965
Application number—
Classification (CPC)B41L47/14
Length7 pages

Timeline

Timeline From USPTO dates

1945194819511954195719601963Application filedNov 9, 1944Patent grantedAug 17, 1948Term endedAug 17, 1965

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