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Slug casting machine

US 2,261,186 A · Inventors: ROLAND SCHAFFERT

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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 4, 1941. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by November 4, 1958.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledAugust 7, 1940
GrantedNovember 4, 1941
Term endedNovember 4, 1958
Application number—
Classification (CPC)B41B11/88
Length10 pages

Timeline

Timeline From USPTO dates

194119431945194719491951195319551957Application filedAug 7, 1940Patent grantedNov 4, 1941Term endedNov 4, 1958

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