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Pin for artificial teeth, small rings, fusing-in wires, and the like

US 1,555,315 A · Inventors: WILHELM ROHN

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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 September 29, 1925. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by September 29, 1942.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledApril 13, 1920
GrantedSeptember 29, 1925
Term endedSeptember 29, 1942
Application number—
Classification (CPC)—
Length2 pages

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Timeline From USPTO dates

19211924192719301933193619391942Application filedApril 13, 1920Patent grantedSep 29, 1925Term endedSep 29, 1942

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